Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2001868123', 'doi': 'https://doi.org/10.3109/07853890109002100', 'title': 'Separate assessment of forearm cortical and trabecular bone density from standard densitometry data', 'display_name': 'Separate assessment of forearm cortical and trabecular bone density from standard densitometry data', 'publication_year': 2001, 'publication_date': '2001-01-01', 'ids': {'openalex': 'https://openalex.org/W2001868123', 'doi': 'https://doi.org/10.3109/07853890109002100', 'mag': '2001868123', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/11680799'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.3109/07853890109002100', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S203391715', 'display_name': 'Annals of Medicine', 'issn_l': '0785-3890', 'issn': ['0785-3890', '1365-2060'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320449', 'host_organization_name': 'Informa', 'host_organization_lineage': ['https://openalex.org/P4310320449'], 'host_organization_lineage_names': ['Informa'], '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/A5050209427', 'display_name': 'Mihail Boyanov', 'orcid': 'https://orcid.org/0000-0002-5695-2831'}, 'institutions': [{'id': 'https://openalex.org/I30147112', 'display_name': 'Medical University of Sofia', 'ror': 'https://ror.org/01n9zy652', 'country_code': 'BG', 'type': 'education', 'lineage': ['https://openalex.org/I30147112']}], 'countries': ['BG'], 'is_corresponding': False, 'raw_author_name': 'Mihail A Boyanov', 'raw_affiliation_strings': ["Endocrinology Clinic, Medical University of Sofia, Alexandrov's Hospital, Sofia, Bulgaria."], 'affiliations': [{'raw_affiliation_string': "Endocrinology Clinic, Medical University of Sofia, Alexandrov's Hospital, Sofia, Bulgaria.", 'institution_ids': ['https://openalex.org/I30147112']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109112738', 'display_name': 'P. Popivanov', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I30147112', 'display_name': 'Medical University of Sofia', 'ror': 'https://ror.org/01n9zy652', 'country_code': 'BG', 'type': 'education', 'lineage': ['https://openalex.org/I30147112']}], 'countries': ['BG'], 'is_corresponding': False, 'raw_author_name': 'Plamen R Popivanov', 'raw_affiliation_strings': ["Endocrinology Clinic, Medical University of Sofia, Alexandrov's Hospital, Sofia, Bulgaria."], 'affiliations': [{'raw_affiliation_string': "Endocrinology Clinic, Medical University of Sofia, Alexandrov's Hospital, Sofia, Bulgaria.", 'institution_ids': ['https://openalex.org/I30147112']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5065829891', 'display_name': 'C. Roux', 'orcid': 'https://orcid.org/0000-0002-9598-9346'}, 'institutions': [{'id': 'https://openalex.org/I4210092774', 'display_name': 'Hôpital Cochin', 'ror': 'https://ror.org/00ph8tk69', 'country_code': 'FR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210092774', 'https://openalex.org/I4210097159', 'https://openalex.org/I4210124464']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Christian Roux', 'raw_affiliation_strings': ['Bone Unit, Department of Rheumatology, Hôpital Cochin, Paris, France'], 'affiliations': [{'raw_affiliation_string': 'Bone Unit, Department of Rheumatology, Hôpital Cochin, Paris, France', 'institution_ids': ['https://openalex.org/I4210092774']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2085, 'currency': 'GBP', 'value_usd': 2557, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.545, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 8, 'citation_normalized_percentile': {'value': 0.615, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 78, 'max': 79}, 'biblio': {'volume': '33', 'issue': '7', 'first_page': '497', 'last_page': '506'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10071', 'display_name': 'Bone health and osteoporosis research', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2732', 'display_name': 'Orthopedics and Sports Medicine'}, '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/T10071', 'display_name': 'Bone health and osteoporosis research', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2732', 'display_name': 'Orthopedics and Sports Medicine'}, '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/T10277', 'display_name': 'Vitamin D Research Studies', 'score': 0.9919, 'subfield': {'id': 'https://openalex.org/subfields/2734', 'display_name': 'Pathology and Forensic Medicine'}, '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/T11219', 'display_name': 'Bone Metabolism and Diseases', 'score': 0.9893, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, '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/densitometry', 'display_name': 'Densitometry', 'score': 0.9374643}, {'id': 'https://openalex.org/keywords/osteopenia', 'display_name': 'Osteopenia', 'score': 0.7461395}, {'id': 'https://openalex.org/keywords/bone-disease', 'display_name': 'Bone disease', 'score': 0.44355947}], 'concepts': [{'id': 'https://openalex.org/C136496925', 'wikidata': 'https://www.wikidata.org/wiki/Q1189807', 'display_name': 'Densitometry', 'level': 2, 'score': 0.9374643}, {'id': 'https://openalex.org/C2781451080', 'wikidata': 'https://www.wikidata.org/wiki/Q265868', 'display_name': 'Cortical bone', 'level': 2, 'score': 0.8005483}, {'id': 'https://openalex.org/C2777083390', 'wikidata': 'https://www.wikidata.org/wiki/Q1367706', 'display_name': 'Osteopenia', 'level': 4, 'score': 0.7461395}, {'id': 'https://openalex.org/C2779329777', 'wikidata': 'https://www.wikidata.org/wiki/Q2304401', 'display_name': 'Bone density', 'level': 3, 'score': 0.6942116}, {'id': 'https://openalex.org/C3018268312', 'wikidata': 'https://www.wikidata.org/wiki/Q2671642', 'display_name': 'Trabecular bone', 'level': 3, 'score': 0.60219795}, {'id': 'https://openalex.org/C2776541429', 'wikidata': 'https://www.wikidata.org/wiki/Q165328', 'display_name': 'Osteoporosis', 'level': 2, 'score': 0.57123715}, {'id': 'https://openalex.org/C2780214079', 'wikidata': 'https://www.wikidata.org/wiki/Q228537', 'display_name': 'Forearm', 'level': 2, 'score': 0.523304}, {'id': 'https://openalex.org/C2778562196', 'wikidata': 'https://www.wikidata.org/wiki/Q177708', 'display_name': 'Menopause', 'level': 2, 'score': 0.5159314}, {'id': 'https://openalex.org/C2776886416', 'wikidata': 'https://www.wikidata.org/wiki/Q4941567', 'display_name': 'Bone mineral', 'level': 3, 'score': 0.50910324}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.4970217}, {'id': 'https://openalex.org/C2777425516', 'wikidata': 'https://www.wikidata.org/wiki/Q17083560', 'display_name': 'Quantitative computed tomography', 'level': 4, 'score': 0.47092953}, {'id': 'https://openalex.org/C2776169692', 'wikidata': 'https://www.wikidata.org/wiki/Q4941552', 'display_name': 'Bone disease', 'level': 3, 'score': 0.44355947}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.35347834}, {'id': 'https://openalex.org/C105702510', 'wikidata': 'https://www.wikidata.org/wiki/Q514', 'display_name': 'Anatomy', 'level': 1, 'score': 0.35268173}], 'mesh': [{'descriptor_ui': 'D015519', 'descriptor_name': 'Bone Density', 'qualifier_ui': 'Q000502', 'qualifier_name': 'physiology', 'is_major_topic': True}, {'descriptor_ui': 'D001842', 'descriptor_name': 'Bone and Bones', 'qualifier_ui': 'Q000503', 'qualifier_name': 'physiopathology', 'is_major_topic': True}, {'descriptor_ui': 'D001842', 'descriptor_name': 'Bone and Bones', 'qualifier_ui': 'Q000000981', 'qualifier_name': 'diagnostic imaging', 'is_major_topic': True}, {'descriptor_ui': 'D015663', 'descriptor_name': 'Osteoporosis, Postmenopausal', 'qualifier_ui': 'Q000175', 'qualifier_name': 'diagnosis', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000367', 'descriptor_name': 'Age Factors', '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': 'D000369', 'descriptor_name': 'Aged, 80 and over', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015519', 'descriptor_name': 'Bone Density', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001842', 'descriptor_name': 'Bone and Bones', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003720', 'descriptor_name': 'Densitometry', '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': 'D005542', 'descriptor_name': 'Forearm', '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': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015663', 'descriptor_name': 'Osteoporosis, Postmenopausal', 'qualifier_ui': 'Q000453', 'qualifier_name': 'epidemiology', 'is_major_topic': False}, {'descriptor_ui': 'D015663', 'descriptor_name': 'Osteoporosis, Postmenopausal', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011859', 'descriptor_name': 'Radiography', '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}, {'descriptor_ui': 'D012307', 'descriptor_name': 'Risk Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012680', 'descriptor_name': 'Sensitivity and Specificity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.3109/07853890109002100', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S203391715', 'display_name': 'Annals of Medicine', 'issn_l': '0785-3890', 'issn': ['0785-3890', '1365-2060'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320449', 'host_organization_name': 'Informa', 'host_organization_lineage': ['https://openalex.org/P4310320449'], 'host_organization_lineage_names': ['Informa'], '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/11680799', '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': 'Gender equality', 'score': 0.42, 'id': 'https://metadata.un.org/sdg/5'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 55, 'referenced_works': ['https://openalex.org/W168947172', 'https://openalex.org/W1702563725', 'https://openalex.org/W170553385', 'https://openalex.org/W1771039750', 'https://openalex.org/W1965786106', 'https://openalex.org/W1968453570', 'https://openalex.org/W1974087645', 'https://openalex.org/W1975106058', 'https://openalex.org/W1978045525', 'https://openalex.org/W1985768000', 'https://openalex.org/W1989334049', 'https://openalex.org/W2002924549', 'https://openalex.org/W2009664223', 'https://openalex.org/W2018189647', 'https://openalex.org/W2018990477', 'https://openalex.org/W2025862197', 'https://openalex.org/W2028986778', 'https://openalex.org/W2030365560', 'https://openalex.org/W2034639056', 'https://openalex.org/W2035265036', 'https://openalex.org/W2035409619', 'https://openalex.org/W2035415980', 'https://openalex.org/W2040347961', 'https://openalex.org/W2042505854', 'https://openalex.org/W2045376790', 'https://openalex.org/W2047083587', 'https://openalex.org/W2048766203', 'https://openalex.org/W2049433487', 'https://openalex.org/W2052840156', 'https://openalex.org/W2055794694', 'https://openalex.org/W2058394356', 'https://openalex.org/W2059028867', 'https://openalex.org/W2066866500', 'https://openalex.org/W2066911949', 'https://openalex.org/W2067017602', 'https://openalex.org/W2067402103', 'https://openalex.org/W2070671126', 'https://openalex.org/W2072262547', 'https://openalex.org/W2077150151', 'https://openalex.org/W2079088427', 'https://openalex.org/W2081028263', 'https://openalex.org/W2089616662', 'https://openalex.org/W2093455669', 'https://openalex.org/W2109199270', 'https://openalex.org/W2114712941', 'https://openalex.org/W2122745505', 'https://openalex.org/W2128931088', 'https://openalex.org/W2134074427', 'https://openalex.org/W2142593140', 'https://openalex.org/W2159284305', 'https://openalex.org/W2291138915', 'https://openalex.org/W2317021395', 'https://openalex.org/W2332367724', 'https://openalex.org/W4233926284', 'https://openalex.org/W4244460677'], 'related_works': ['https://openalex.org/W3042913245', 'https://openalex.org/W2900313110', 'https://openalex.org/W2417250652', 'https://openalex.org/W2414401522', 'https://openalex.org/W2412075794', 'https://openalex.org/W239459027', 'https://openalex.org/W2350888955', 'https://openalex.org/W2161465453', 'https://openalex.org/W2001868123', 'https://openalex.org/W1578381602'], 'abstract_inverted_index': {'AbstractBACKGROUND.': [0], 'Cortical': [1], 'and': [2, 30, 53, 59, 87, 92, 110, 115, 121, 135, 146, 161, 165, 190, 200, 219, 244, 247, 261], 'trabecular': [3, 31, 93, 125, 147, 180, 199, 245], 'bone': [4, 7, 18, 32, 64, 79, 96, 102, 141, 152, 169, 174, 181, 202, 269, 274, 276, 278], 'are': [5], 'different': [6], 'components.': [8], 'Their': [9], 'mineral': [10], 'density': [11, 33, 80, 97, 103, 142, 148, 153, 279], 'cannot': [12], 'be': [13], 'measured': [14, 82], 'directly': [15], 'by': [16, 83, 144, 149], 'areal': [17], 'densitometry.AIM.': [19], 'To': [20], 'introduce': [21], 'a': [22, 69], 'method': [23, 239], 'for': [24, 90, 119, 124], 'assessment': [25], 'of': [26, 56, 71, 113, 138, 179, 195, 212, 255], 'pure': [27], 'radial': [28], 'cortical': [29, 91, 120, 140, 201, 243], 'based': [34, 266], 'on': [35, 198, 227, 235, 267], 'standard': [36], 'densitometry': [37, 231], 'data.METHOD.': [38], 'The': [39, 193, 210], 'study': [40], 'included': [41], '418': [42], 'healthy': [43], 'females': [44, 74], '(aged': [45], '20–83': [46], 'years,': [47], 'body': [48], 'mass': [49], 'index': [50], 'between': [51, 108, 133, 217, 242], '19': [52], '30)': [54], 'free': [55], 'previous': [57], 'fractures': [58], 'conditions': [60], 'or': [61], 'drugs': [62], 'affecting': [63], 'metabolism:': [65], 'as': [66, 68], 'well': [67], 'group': [70], '64': [72], 'age-matched': [73], 'with': [75, 185], 'early': [76, 196], 'menopause.': [77], 'Forearm': [78], 'was': [81, 104, 116, 183, 222], 'single': [84], 'X-ray': [85], 'absorptiometry': [86], 'calculated': [88], 'separately': [89], 'bone.': [94, 126], 'Age-adjusted': [95], 'curves': [98], 'were': [99, 131, 203], 'built.RESULTS.': [100], 'Peak': [101], 'found': [105], 'to': [106, 215, 264], 'occur': [107], '30': [109], '34': [111], 'years': [112, 137], 'age': [114], '0.561': [117], 'g/cm2': [118, 123], '0.281': [122], 'In': [127], 'comparison,': [128], 'lowest': [129], 'values': [130], 'registered': [132, 184], '70': [134], '74': [136], 'age:': [139], 'reduced': [143], '26%': [145], '44%.': [150], 'Both': [151], 'profiles': [154], 'through': [155], 'life': [156], 'reflected': [157], 'the': [158, 206, 253], 'earlier': [159], 'peri-': [160], 'postmenopausal': [162], '(mainly': [163], 'trabecular)': [164], 'later': [166], 'senile': [167], '(cortical': [168], 'also': [170], 'involved)': [171], 'changes': [172], 'in': [173, 205, 251, 257], 'mass.': [175], 'A': [176], 'step-wise': [177], 'pattern': [178], 'reduction': [182], 'acceleration': [186], 'around': [187], '45,': [188], '55': [189], '65': [191], 'years.': [192], 'effects': [194], 'menopause': [197, 221], 'tested': [204], 'prematurely': [207], 'menopausal': [208], 'women.CONCLUSIONS.': [209], 'ability': [211], 'our': [213, 238], 'model': [214], 'discriminate': [216], 'natural': [218], 'premature': [220], 'moderate.': [223], 'Although': [224], 'hypothetical': [225], '(based': [226], 'calculations': [228], 'from': [229], 'integral': [230], 'data': [232], 'rather': [233], 'than': [234], 'direct': [236], 'measurements),': [237], 'could': [240], 'differentiate': [241], 'osteopenia': [246], 'may': [248], 'prove': [249], 'helpful': [250], 'assessing': [252], 'type': [254], 'osteoporosis,': [256], 'making': [258], 'therapy': [259, 265], 'choices': [260], 'monitoring': [262], 'response': [263], 'forearm': [268], 'density.Key': [270], 'Words:': [271], 'age-related': [272], 'changescortical': [273], 'densityforearm': [275], 'densitometrytrabecular': [277]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2001868123', 'counts_by_year': [{'year': 2019, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2024-12-16T11:37:50.312778', 'created_date': '2016-06-24'}