Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1963814553', 'doi': 'https://doi.org/10.1016/j.crad.2012.08.007', 'title': 'CT coronary angiography: Image quality with sinogram-affirmed iterative reconstruction compared with filtered back-projection', 'display_name': 'CT coronary angiography: Image quality with sinogram-affirmed iterative reconstruction compared with filtered back-projection', 'publication_year': 2012, 'publication_date': '2012-09-13', 'ids': {'openalex': 'https://openalex.org/W1963814553', 'doi': 'https://doi.org/10.1016/j.crad.2012.08.007', 'mag': '1963814553', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/22981731'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.crad.2012.08.007', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S180082538', 'display_name': 'Clinical Radiology', 'issn_l': '0009-9260', 'issn': ['0009-9260', '1365-229X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5042614311', 'display_name': 'Renxi Wang', 'orcid': 'https://orcid.org/0000-0003-4130-3334'}, 'institutions': [{'id': 'https://openalex.org/I4210119028', 'display_name': 'Beijing Anzhen Hospital', 'ror': 'https://ror.org/02h2j1586', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210119028']}, {'id': 'https://openalex.org/I183519381', 'display_name': 'Capital Medical University', 'ror': 'https://ror.org/013xs5b60', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I183519381']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'R. Wang', 'raw_affiliation_strings': ['Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.', 'institution_ids': ['https://openalex.org/I4210119028', 'https://openalex.org/I183519381']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5034218505', 'display_name': 'U. Joseph Schoepf', 'orcid': 'https://orcid.org/0000-0002-6164-5641'}, 'institutions': [{'id': 'https://openalex.org/I153297377', 'display_name': 'Medical University of South Carolina', 'ror': 'https://ror.org/012jban78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I153297377']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'U.J. Schoepf', 'raw_affiliation_strings': ['Department of Radiology and Radiological Science, Medical University of South Carolina; Charleston, SC, USA -'], 'affiliations': [{'raw_affiliation_string': 'Department of Radiology and Radiological Science, Medical University of South Carolina; Charleston, SC, USA -', 'institution_ids': ['https://openalex.org/I153297377']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5024440353', 'display_name': 'Runze Wu', 'orcid': 'https://orcid.org/0000-0003-0445-9460'}, 'institutions': [{'id': 'https://openalex.org/I51629411', 'display_name': 'Siemens (China)', 'ror': 'https://ror.org/00v6g9845', 'country_code': 'CN', 'type': 'company', 'lineage': ['https://openalex.org/I1325886976', 'https://openalex.org/I51629411']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'R. Wu', 'raw_affiliation_strings': ['Siemens Healthcare (China), Beijing, China'], 'affiliations': [{'raw_affiliation_string': 'Siemens Healthcare (China), Beijing, China', 'institution_ids': ['https://openalex.org/I51629411']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5090014303', 'display_name': 'Kevin P Gibbs', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I153297377', 'display_name': 'Medical University of South Carolina', 'ror': 'https://ror.org/012jban78', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I153297377']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'K.P. Gibbs', 'raw_affiliation_strings': ['Department of Radiology and Radiological Science, Medical University of South Carolina; Charleston, SC, USA -'], 'affiliations': [{'raw_affiliation_string': 'Department of Radiology and Radiological Science, Medical University of South Carolina; Charleston, SC, USA -', 'institution_ids': ['https://openalex.org/I153297377']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5101591557', 'display_name': 'Wei Yu', 'orcid': 'https://orcid.org/0000-0003-0672-2461'}, 'institutions': [{'id': 'https://openalex.org/I183519381', 'display_name': 'Capital Medical University', 'ror': 'https://ror.org/013xs5b60', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I183519381']}, {'id': 'https://openalex.org/I4210119028', 'display_name': 'Beijing Anzhen Hospital', 'ror': 'https://ror.org/02h2j1586', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210119028']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'W. Yu', 'raw_affiliation_strings': ['Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.', 'institution_ids': ['https://openalex.org/I183519381', 'https://openalex.org/I4210119028']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5042099944', 'display_name': 'Mingxuan Li', 'orcid': 'https://orcid.org/0000-0002-8382-1124'}, 'institutions': [{'id': 'https://openalex.org/I183519381', 'display_name': 'Capital Medical University', 'ror': 'https://ror.org/013xs5b60', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I183519381']}, {'id': 'https://openalex.org/I4210119028', 'display_name': 'Beijing Anzhen Hospital', 'ror': 'https://ror.org/02h2j1586', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210119028']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'M. Li', 'raw_affiliation_strings': ['Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.', 'institution_ids': ['https://openalex.org/I183519381', 'https://openalex.org/I4210119028']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5009540270', 'display_name': 'Zhongtang Zhang', 'orcid': 'https://orcid.org/0000-0003-2900-4446'}, 'institutions': [{'id': 'https://openalex.org/I183519381', 'display_name': 'Capital Medical University', 'ror': 'https://ror.org/013xs5b60', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I183519381']}, {'id': 'https://openalex.org/I4210119028', 'display_name': 'Beijing Anzhen Hospital', 'ror': 'https://ror.org/02h2j1586', 'country_code': 'CN', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210119028']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Z. Zhang', 'raw_affiliation_strings': ['Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.'], 'affiliations': [{'raw_affiliation_string': 'Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.', 'institution_ids': ['https://openalex.org/I183519381', 'https://openalex.org/I4210119028']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3200, 'currency': 'USD', 'value_usd': 3200, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.485, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 28, 'citation_normalized_percentile': {'value': 0.753273, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '68', 'issue': '3', 'first_page': '272', 'last_page': '278'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10844', 'display_name': 'Radiation Dose and Imaging', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10844', 'display_name': 'Radiation Dose and Imaging', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10372', 'display_name': 'Cardiac Imaging and Diagnostics', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/2741', 'display_name': 'Radiology, Nuclear Medicine and Imaging'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12386', 'display_name': 'Advanced X-ray and CT Imaging', 'score': 0.9993, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/radon-transform', 'display_name': 'Radon transform', 'score': 0.67611533}, {'id': 'https://openalex.org/keywords/image-noise', 'display_name': 'Image noise', 'score': 0.6129481}, {'id': 'https://openalex.org/keywords/hounsfield-scale', 'display_name': 'Hounsfield scale', 'score': 0.5605726}, {'id': 'https://openalex.org/keywords/computed-tomography-angiography', 'display_name': 'Computed Tomography Angiography', 'score': 0.4517637}, {'id': 'https://openalex.org/keywords/contrast-to-noise-ratio', 'display_name': 'Contrast-to-noise ratio', 'score': 0.41175312}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8182663}, {'id': 'https://openalex.org/C55020928', 'wikidata': 'https://www.wikidata.org/wiki/Q3813865', 'display_name': 'Image quality', 'level': 3, 'score': 0.8075001}, {'id': 'https://openalex.org/C141379421', 'wikidata': 'https://www.wikidata.org/wiki/Q6094427', 'display_name': 'Iterative reconstruction', 'level': 2, 'score': 0.7908255}, {'id': 'https://openalex.org/C104293457', 'wikidata': 'https://www.wikidata.org/wiki/Q28324852', 'display_name': 'Imaging phantom', 'level': 2, 'score': 0.687223}, {'id': 'https://openalex.org/C197231052', 'wikidata': 'https://www.wikidata.org/wiki/Q979829', 'display_name': 'Radon transform', 'level': 2, 'score': 0.67611533}, {'id': 'https://openalex.org/C2989005', 'wikidata': 'https://www.wikidata.org/wiki/Q214963', 'display_name': 'Nuclear medicine', 'level': 1, 'score': 0.62773883}, {'id': 'https://openalex.org/C35772409', 'wikidata': 'https://www.wikidata.org/wiki/Q1323086', 'display_name': 'Image noise', 'level': 3, 'score': 0.6129481}, {'id': 'https://openalex.org/C187954543', 'wikidata': 'https://www.wikidata.org/wiki/Q1501273', 'display_name': 'Hounsfield scale', 'level': 3, 'score': 0.5605726}, {'id': 'https://openalex.org/C163716698', 'wikidata': 'https://www.wikidata.org/wiki/Q841267', 'display_name': 'Tomography', 'level': 2, 'score': 0.4976957}, {'id': 'https://openalex.org/C2987700449', 'wikidata': 'https://www.wikidata.org/wiki/Q186161', 'display_name': 'Radiation dose', 'level': 2, 'score': 0.48386943}, {'id': 'https://openalex.org/C2781347138', 'wikidata': 'https://www.wikidata.org/wiki/Q1024492', 'display_name': 'Computed tomography angiography', 'level': 3, 'score': 0.4517637}, {'id': 'https://openalex.org/C2780643987', 'wikidata': 'https://www.wikidata.org/wiki/Q468414', 'display_name': 'Angiography', 'level': 2, 'score': 0.45028785}, {'id': 'https://openalex.org/C86190813', 'wikidata': 'https://www.wikidata.org/wiki/Q5165749', 'display_name': 'Contrast-to-noise ratio', 'level': 4, 'score': 0.41175312}, {'id': 'https://openalex.org/C126838900', 'wikidata': 'https://www.wikidata.org/wiki/Q77604', 'display_name': 'Radiology', 'level': 1, 'score': 0.4037443}, {'id': 'https://openalex.org/C544519230', 'wikidata': 'https://www.wikidata.org/wiki/Q32566', 'display_name': 'Computed tomography', 'level': 2, 'score': 0.24239841}, {'id': 'https://openalex.org/C115961682', 'wikidata': 'https://www.wikidata.org/wiki/Q860623', 'display_name': 'Image (mathematics)', 'level': 2, 'score': 0.16659713}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.14211255}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.07208797}], 'mesh': [{'descriptor_ui': 'D017023', 'descriptor_name': 'Coronary Angiography', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D003327', 'descriptor_name': 'Coronary Disease', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D011857', 'descriptor_name': 'Radiographic Image Interpretation, Computer-Assisted', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D014057', 'descriptor_name': 'Tomography, X-Ray Computed', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D000465', 'descriptor_name': 'Algorithms', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000704', 'descriptor_name': 'Analysis of Variance', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D055424', 'descriptor_name': 'Cardiac-Gated Imaging Techniques', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016009', 'descriptor_name': 'Chi-Square Distribution', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003287', 'descriptor_name': 'Contrast Media', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017023', 'descriptor_name': 'Coronary Angiography', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003327', 'descriptor_name': 'Coronary Disease', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007472', 'descriptor_name': 'Iohexol', 'qualifier_ui': 'Q000031', 'qualifier_name': 'analogs & derivatives', 'is_major_topic': False}, {'descriptor_ui': 'D007472', 'descriptor_name': 'Iohexol', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D019047', 'descriptor_name': 'Phantoms, Imaging', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011829', 'descriptor_name': 'Radiation Dosage', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011857', 'descriptor_name': 'Radiographic Image Interpretation, Computer-Assisted', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012189', 'descriptor_name': 'Retrospective Studies', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014057', 'descriptor_name': 'Tomography, X-Ray Computed', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.crad.2012.08.007', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S180082538', 'display_name': 'Clinical Radiology', 'issn_l': '0009-9260', 'issn': ['0009-9260', '1365-229X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/22981731', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Clean water and sanitation', 'id': 'https://metadata.un.org/sdg/6', 'score': 0.66}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 25, 'referenced_works': ['https://openalex.org/W1435982856', 'https://openalex.org/W1963504323', 'https://openalex.org/W1973249659', 'https://openalex.org/W1973616517', 'https://openalex.org/W1973970951', 'https://openalex.org/W1976833053', 'https://openalex.org/W1978732781', 'https://openalex.org/W1985086566', 'https://openalex.org/W1991887416', 'https://openalex.org/W1998714601', 'https://openalex.org/W2001974207', 'https://openalex.org/W2016669738', 'https://openalex.org/W2025805890', 'https://openalex.org/W2039311608', 'https://openalex.org/W2054893559', 'https://openalex.org/W2058474412', 'https://openalex.org/W2067065607', 'https://openalex.org/W2086208546', 'https://openalex.org/W2089510140', 'https://openalex.org/W2114036907', 'https://openalex.org/W2133100600', 'https://openalex.org/W2134343469', 'https://openalex.org/W2165596807', 'https://openalex.org/W2171697262', 'https://openalex.org/W59160398'], 'related_works': ['https://openalex.org/W4221026530', 'https://openalex.org/W3013547159', 'https://openalex.org/W2745571083', 'https://openalex.org/W2215132873', 'https://openalex.org/W2058254206', 'https://openalex.org/W2018015402', 'https://openalex.org/W2011797925', 'https://openalex.org/W2002306737', 'https://openalex.org/W1963814553', 'https://openalex.org/W167022752'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1963814553', 'counts_by_year': [{'year': 2020, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 4}, {'year': 2015, 'cited_by_count': 9}, {'year': 2014, 'cited_by_count': 6}, {'year': 2013, 'cited_by_count': 3}], 'updated_date': '2024-12-16T06:48:34.736926', 'created_date': '2016-06-24'}