{"id":"https://openalex.org/A5042740467","orcid":null,"observed_orcids":[],"display_name":"Timo Yrj\u00f6nen","raw_author_names":["T Yrjonen","T Yrj\u00f6nen","T. Yrjonen","T. Yrj\u00f6nen","TIMO YRJ\u00d6NEN","Timo A. Yrj\u00f6nen","Timo Yrjoenen","Timo Yrj\u00f6nen","Yrj\u00f6nen, Timo"],"full_name":"Timo A. Yrj\u00f6nen","works_count":38,"cited_by_count":1378,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":20,"i10_index":26},"ids":{"openalex":"https://openalex.org/A5042740467","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I133731052","ror":"https://ror.org/040af2s02","display_name":"University of Helsinki","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I2800394112","ror":"https://ror.org/02e8hzf44","display_name":"Helsinki University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I2800394112","https://openalex.org/I4210166427"]},"years":[2017,2005]},{"institution":{"id":"https://openalex.org/I4210092991","ror":"https://ror.org/00fqdfs68","display_name":"Kuopio University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I4210092991","https://openalex.org/I4405278559"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4210110770","ror":"https://ror.org/020vv3w23","display_name":"Invalidis\u00e4\u00e4ti\u00f6","country_code":"FI","type":"nonprofit","lineage":["https://openalex.org/I4210110770"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I4405267039","ror":"https://ror.org/00y3j9305","display_name":"Tekonivelsairaala Orton","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I4405267039"]},"years":[2026,2019,2017,2016,2014,2013,2012,2011,2010,2006,2005,2004,2003,2002,1999]}],"last_known_institutions":[{"id":"https://openalex.org/I4210092991","ror":"https://ror.org/00fqdfs68","display_name":"Kuopio University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I4210092991","https://openalex.org/I4405278559"]},{"id":"https://openalex.org/I4405267039","ror":"https://ror.org/00y3j9305","display_name":"Tekonivelsairaala Orton","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I4405267039"]}],"topics":[{"id":"https://openalex.org/T11030","display_name":"Scoliosis diagnosis and treatment","count":24,"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","count":16,"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/T10776","display_name":"Spinal Fractures and Fixation Techniques","count":14,"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/T12830","display_name":"Pectus Deformity Diagnosis and Treatment","count":11,"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/T11218","display_name":"Hip disorders and treatments","count":10,"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"}}],"topic_share":[{"id":"https://openalex.org/T11030","display_name":"Scoliosis diagnosis and treatment","value":0.0001541,"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/T12209","display_name":"Bone and Joint Diseases","value":0.0001436,"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/T12830","display_name":"Pectus Deformity Diagnosis and Treatment","value":0.0001355,"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/T11218","display_name":"Hip disorders and treatments","value":5.56e-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/T10776","display_name":"Spinal Fractures and Fixation Techniques","value":5.5e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9907029867172241},{"id":"2780955175","wikidata":"https://www.wikidata.org/wiki/Q174857","display_name":"Scoliosis","score":0.8546780943870544},{"id":"36454342","wikidata":"https://www.wikidata.org/wiki/Q245341","display_name":"Radiography","score":0.794535219669342},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.697693407535553},{"id":"44575665","wikidata":"https://www.wikidata.org/wiki/Q1293405","display_name":"Lumbar","score":0.5954282283782959}],"counts_by_year":[{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":7,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":1,"cited_by_count":69},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":76},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":69},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":69},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":74},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":48},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":58},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":50},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":52},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":44},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":25}],"display_name_alternatives":["T Yrjonen","T Yrj\u00f6nen","T. Yrjonen","T. Yrj\u00f6nen","TIMO YRJ\u00d6NEN","Timo A. Yrj\u00f6nen","Timo Yrjoenen","Timo Yrj\u00f6nen","Yrj\u00f6nen, Timo"],"block_key":"t yrjonen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5042740467","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}