Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2328340445', 'doi': 'https://doi.org/10.1212/wnl.50.2.576-b', 'title': 'Quantification of brain metabolites in ALS by localized proton magnetic spectroscopy', 'display_name': 'Quantification of brain metabolites in ALS by localized proton magnetic spectroscopy', 'publication_year': 1998, 'publication_date': '1998-02-01', 'ids': {'openalex': 'https://openalex.org/W2328340445', 'doi': 'https://doi.org/10.1212/wnl.50.2.576-b', 'mag': '2328340445', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/9484413'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1212/wnl.50.2.576-b', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S79704628', 'display_name': 'Neurology', 'issn_l': '0028-3878', 'issn': ['0028-3878', '1526-632X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315671', 'host_organization_name': 'Lippincott Williams & Wilkins', 'host_organization_lineage': ['https://openalex.org/P4310315671', 'https://openalex.org/P4310318547'], 'host_organization_lineage_names': ['Lippincott Williams & Wilkins', 'Wolters Kluwer'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'letter', '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/A5035438468', 'display_name': 'Ken Ikeda', 'orcid': 'https://orcid.org/0000-0002-1655-5874'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Ken Ikeda', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5065648858', 'display_name': 'Y. Zwasaki', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Y. Zwasaki', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5076066875', 'display_name': 'Masahiko Kinoshita', 'orcid': 'https://orcid.org/0000-0002-6716-6377'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'M. Kinoshita', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5041110760', 'display_name': 'M. Zchijo', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'M. Zchijo', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5029696370', 'display_name': 'Hirofumi Fujii', 'orcid': 'https://orcid.org/0000-0001-5470-5151'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'H. Fujii', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5027678091', 'display_name': 'Yuichiro Matsuoka', 'orcid': 'https://orcid.org/0000-0002-3686-3380'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Y. Matsuoka', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5011154595', 'display_name': 'Shoichiro Irimajiri', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'S. Irimajiri', 'raw_affiliation_strings': [], 'affiliations': []}], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 6, 'citation_normalized_percentile': {'value': 0.547945, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 73, 'max': 75}, 'biblio': {'volume': '50', 'issue': '2', 'first_page': '576', 'last_page': '576'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11027', 'display_name': 'Metabolic Disorders and Biochemical Genetics', 'score': 0.9907, 'subfield': {'id': 'https://openalex.org/subfields/1308', 'display_name': 'Clinical Biochemistry'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11027', 'display_name': 'Metabolic Disorders and Biochemical Genetics', 'score': 0.9907, 'subfield': {'id': 'https://openalex.org/subfields/1308', 'display_name': 'Clinical Biochemistry'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T10378', 'display_name': 'Magnetic Resonance Imaging Applications in Medicine', 'score': 0.9863, '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/T12770', 'display_name': 'Amino Acid Transport and Metabolism in Health and Disease', 'score': 0.9703, 'subfield': {'id': 'https://openalex.org/subfields/1303', 'display_name': 'Biochemistry'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/brain-metabolites', 'display_name': 'Brain Metabolites', 'score': 0.561555}, {'id': 'https://openalex.org/keywords/proton-magnetic-resonance', 'display_name': 'Proton magnetic resonance', 'score': 0.51590574}], 'concepts': [{'id': 'https://openalex.org/C46141821', 'wikidata': 'https://www.wikidata.org/wiki/Q209402', 'display_name': 'Nuclear magnetic resonance', 'level': 1, 'score': 0.57396966}, {'id': 'https://openalex.org/C2988005100', 'wikidata': 'https://www.wikidata.org/wiki/Q1979695', 'display_name': 'Proton magnetic resonance', 'level': 2, 'score': 0.51590574}, {'id': 'https://openalex.org/C66974803', 'wikidata': 'https://www.wikidata.org/wiki/Q10359898', 'display_name': 'Nuclear magnetic resonance spectroscopy', 'level': 2, 'score': 0.48538005}, {'id': 'https://openalex.org/C32891209', 'wikidata': 'https://www.wikidata.org/wiki/Q483666', 'display_name': 'Spectroscopy', 'level': 2, 'score': 0.44169205}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.34993422}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.32618004}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.22497284}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000690', 'descriptor_name': 'Amyotrophic Lateral Sclerosis', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D001224', 'descriptor_name': 'Aspartic Acid', 'qualifier_ui': 'Q000031', 'qualifier_name': 'analogs & derivatives', 'is_major_topic': True}, {'descriptor_ui': 'D001921', 'descriptor_name': 'Brain', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000690', 'descriptor_name': 'Amyotrophic Lateral Sclerosis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001224', 'descriptor_name': 'Aspartic Acid', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D001224', 'descriptor_name': 'Aspartic Acid', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001921', 'descriptor_name': 'Brain', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003401', 'descriptor_name': 'Creatine', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D003401', 'descriptor_name': 'Creatine', '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': 'D008279', 'descriptor_name': 'Magnetic Resonance Imaging', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009682', 'descriptor_name': 'Magnetic Resonance Spectroscopy', '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': 'D009044', 'descriptor_name': 'Motor Cortex', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D009044', 'descriptor_name': 'Motor Cortex', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009928', 'descriptor_name': 'Organ Specificity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012016', 'descriptor_name': 'Reference Values', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1212/wnl.50.2.576-b', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S79704628', 'display_name': 'Neurology', 'issn_l': '0028-3878', 'issn': ['0028-3878', '1526-632X'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315671', 'host_organization_name': 'Lippincott Williams & Wilkins', 'host_organization_lineage': ['https://openalex.org/P4310315671', 'https://openalex.org/P4310318547'], 'host_organization_lineage_names': ['Lippincott Williams & Wilkins', 'Wolters Kluwer'], '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/9484413', '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': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W599538448', 'https://openalex.org/W3150982967', 'https://openalex.org/W2178844318', 'https://openalex.org/W2105542811', 'https://openalex.org/W2047148965', 'https://openalex.org/W1979742529', 'https://openalex.org/W1966693933', 'https://openalex.org/W1963397236', 'https://openalex.org/W1843794756', 'https://openalex.org/W1560786135'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2328340445', 'counts_by_year': [{'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-08-15T14:11:31.210132', 'created_date': '2016-06-24'}