{"id":"https://openalex.org/A5005068633","orcid":"https://orcid.org/0000-0002-4608-0793","observed_orcids":["https://orcid.org/0000-0002-4608-0793"],"display_name":"Urs Pfefferkorn","raw_author_names":["Pfefferkorn","Pfefferkorn, Urs","U Pfefferkorn","U. Pfefferkorn","Urs Pfefferkorn"],"full_name":"Pfefferkorn, Urs","works_count":28,"cited_by_count":176,"summary_stats":{"2yr_mean_citedness":0.5,"h_index":7,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5005068633","orcid":"https://orcid.org/0000-0002-4608-0793","observed_orcids":["https://orcid.org/0000-0002-4608-0793"]},"affiliations":[{"institution":{"id":"https://openalex.org/I2802542264","ror":"https://ror.org/04k51q396","display_name":"University Hospital of Basel","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I2802542264"]},"years":[2005,2004]},{"institution":{"id":"https://openalex.org/I4210118453","ror":"https://ror.org/02fmm1979","display_name":"Spit\u00e4ler Schaffhausen","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210118453"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4210124719","ror":"https://ror.org/02swf6979","display_name":"Solothurner Spit\u00e4ler","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210124719"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210128243","ror":"https://ror.org/034rw1w19","display_name":"Spital Muri","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210128243"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4210135747","ror":"https://ror.org/04ahnxd67","display_name":"St. Claraspital","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210135747"]},"years":[2009,2007]},{"institution":{"id":"https://openalex.org/I4210156408","ror":"https://ror.org/04rfs1719","display_name":"Spital Uster","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210156408"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I4210157956","ror":"https://ror.org/05bgkkd24","display_name":"Spital Lachen","country_code":"CH","type":"healthcare","lineage":["https://openalex.org/I4210157956"]},"years":[2023]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10569","display_name":"Bariatric Surgery and Outcomes","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"}},{"id":"https://openalex.org/T12053","display_name":"Minimally Invasive Surgical Techniques","count":6,"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/T10961","display_name":"Hernia repair and management","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/T10254","display_name":"Innovations in Medical Education","count":3,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":3,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10569","display_name":"Bariatric Surgery and Outcomes","value":8.73e-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/T10961","display_name":"Hernia repair and management","value":3.61e-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/T14356","display_name":"Organizational Leadership and Management Strategies","value":3.05e-05,"subfield":{"id":"https://openalex.org/subfields/1408","display_name":"Strategy and Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12089","display_name":"Intestinal and Peritoneal Adhesions","value":2.98e-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/T12053","display_name":"Minimally Invasive Surgical Techniques","value":2.4e-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":0.9903563857078552},{"id":"81182388","wikidata":"https://www.wikidata.org/wiki/Q353963","display_name":"Complication","score":0.7293037176132202},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6782000064849854},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.5829517841339111},{"id":"61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","score":0.574170708656311}],"counts_by_year":[{"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":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":9},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":2,"oa_works_count":1,"cited_by_count":9},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":5},{"year":2023,"works_count":2,"oa_works_count":1,"cited_by_count":13},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":22},{"year":2025,"works_count":5,"oa_works_count":2,"cited_by_count":26},{"year":2026,"works_count":3,"oa_works_count":2,"cited_by_count":17}],"display_name_alternatives":["Pfefferkorn","Pfefferkorn, Urs","U Pfefferkorn","U. Pfefferkorn","Urs Pfefferkorn"],"block_key":"u pfefferkorn","works_api_url":"https://api.openalex.org/works?filter=author.id:A5005068633","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}