{"id":"https://openalex.org/A5056017307","orcid":null,"observed_orcids":[],"display_name":"M. K. Leijsma","raw_author_names":["LEIJSMA, MK","Leijsma, M. K.","Leijsma, Martha K.","M Leijsma","M. K. Leijsma","M. Leijsma","M.K. Leijsma","MARTHA K. LEIJSMA","Martha K Leijsma","Martha K. Leijsma","Martha Leijsma"],"full_name":"Leijsma, Martha K.","works_count":45,"cited_by_count":853,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":12,"i10_index":13},"ids":{"openalex":"https://openalex.org/A5056017307","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1334415907","ror":"https://ror.org/03cv38k47","display_name":"University Medical Center Groningen","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I1334415907"]},"years":[2026,2014,2013,2012,2011,2010,1998]},{"institution":{"id":"https://openalex.org/I169381384","ror":"https://ror.org/012p63287","display_name":"University of Groningen","country_code":"NL","type":"education","lineage":["https://openalex.org/I169381384"]},"years":[2026,2014,2012,2011,2010,2009,2008,2007]},{"institution":{"id":"https://openalex.org/I2802652803","ror":"https://ror.org/0283nw634","display_name":"Medisch Centrum Leeuwarden","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I2802652803","https://openalex.org/I4405259012"]},"years":[2011]}],"last_known_institutions":[{"id":"https://openalex.org/I1334415907","ror":"https://ror.org/03cv38k47","display_name":"University Medical Center Groningen","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I1334415907"]},{"id":"https://openalex.org/I169381384","ror":"https://ror.org/012p63287","display_name":"University of Groningen","country_code":"NL","type":"education","lineage":["https://openalex.org/I169381384"]}],"topics":[{"id":"https://openalex.org/T11092","display_name":"Spondyloarthritis Studies and Treatments","count":26,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10200","display_name":"Rheumatoid Arthritis Research and Therapies","count":16,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T11305","display_name":"Amyloidosis: Diagnosis, Treatment, Outcomes","count":8,"subfield":{"id":"https://openalex.org/subfields/2724","display_name":"Internal 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/T10084","display_name":"Musculoskeletal pain and rehabilitation","count":7,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13328","display_name":"Osteomyelitis and Bone Disorders Research","count":7,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11092","display_name":"Spondyloarthritis Studies and Treatments","value":0.0002112,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T13328","display_name":"Osteomyelitis and Bone Disorders Research","value":0.0001066,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T11305","display_name":"Amyloidosis: Diagnosis, Treatment, Outcomes","value":9.5e-05,"subfield":{"id":"https://openalex.org/subfields/2724","display_name":"Internal 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/T14015","display_name":"Otitis Media and Relapsing Polychondritis","value":5.75e-05,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T11571","display_name":"Sarcoidosis and Beryllium Toxicity Research","value":4.39e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"2777402515","wikidata":"https://www.wikidata.org/wiki/Q52849","display_name":"Ankylosing spondylitis","score":0.9846038818359375},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9811370968818665},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7724500298500061},{"id":"2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","score":0.5246187448501587},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.4580196142196655}],"counts_by_year":[{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":2012,"works_count":11,"oa_works_count":2,"cited_by_count":38},{"year":2013,"works_count":4,"oa_works_count":0,"cited_by_count":44},{"year":2014,"works_count":7,"oa_works_count":2,"cited_by_count":68},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":86},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":72},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":67},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":59},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":71},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":52},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":12}],"display_name_alternatives":["LEIJSMA, MK","Leijsma, M. K.","Leijsma, Martha K.","M Leijsma","M. K. Leijsma","M. Leijsma","M.K. Leijsma","MARTHA K. LEIJSMA","Martha K Leijsma","Martha K. Leijsma","Martha Leijsma"],"block_key":"m leijsma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5056017307","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5056017307","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}