{"id":"https://openalex.org/A5113637533","orcid":null,"observed_orcids":[],"display_name":"David A. Ryan","raw_author_names":["D.A. Ryan","David A. Ryan","David Ryan"],"full_name":"David A. Ryan","works_count":7,"cited_by_count":212,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":3,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5113637533","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I111236770","ror":"https://ror.org/0155zta11","display_name":"University of Vermont","country_code":"US","type":"education","lineage":["https://openalex.org/I111236770"]},"years":[2004,2003]},{"institution":{"id":"https://openalex.org/I119443389","ror":"https://ror.org/05rfqv493","display_name":"East Tennessee State University","country_code":"US","type":"education","lineage":["https://openalex.org/I119443389"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I66946132","ror":"https://ror.org/047s2c258","display_name":"University of Maryland, College Park","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]},"years":[2009]}],"last_known_institutions":[{"id":"https://openalex.org/I119443389","ror":"https://ror.org/05rfqv493","display_name":"East Tennessee State University","country_code":"US","type":"education","lineage":["https://openalex.org/I119443389"]}],"topics":[{"id":"https://openalex.org/T10238","display_name":"Spine and Intervertebral Disc Pathology","count":6,"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/T11518","display_name":"Cervical and Thoracic Myelopathy","count":5,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10776","display_name":"Spinal Fractures and Fixation Techniques","count":2,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10084","display_name":"Musculoskeletal pain and rehabilitation","count":1,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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/T10205","display_name":"Advanced Fiber Optic Sensors","count":1,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11518","display_name":"Cervical and Thoracic Myelopathy","value":2.44e-05,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10238","display_name":"Spine and Intervertebral Disc Pathology","value":1.76e-05,"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/T13946","display_name":"Musculoskeletal Disorders and Rehabilitation","value":9.7e-06,"subfield":{"id":"https://openalex.org/subfields/2742","display_name":"Rehabilitation"},"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/T10776","display_name":"Spinal Fractures and Fixation Techniques","value":7.6e-06,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T12249","display_name":"Veterinary Orthopedics and Neurology","value":7.4e-06,"subfield":{"id":"https://openalex.org/subfields/3404","display_name":"Small Animals"},"field":{"id":"https://openalex.org/fields/34","display_name":"Veterinary"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9443404674530029},{"id":"112950240","wikidata":"https://www.wikidata.org/wiki/Q76005","display_name":"Ultimate tensile strength","score":0.7841715812683105},{"id":"2777755357","wikidata":"https://www.wikidata.org/wiki/Q502781","display_name":"Intervertebral disc","score":0.6796624660491943},{"id":"105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","score":0.5533504486083984},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.3347092270851135}],"counts_by_year":[{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["D.A. Ryan","David A. Ryan","David Ryan"],"block_key":"d ryan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113637533","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}
