{"id":"https://openalex.org/A5111662019","orcid":null,"observed_orcids":[],"display_name":"A. H. van Hattum","raw_author_names":["A H van Hattum","A. H. van Hattum","A.H van Hattum","A.H. van Hattum","AH van Hattum","Alexander H. van Hattum","Van Hattum, A. H."],"full_name":"Alexander H. van Hattum","works_count":16,"cited_by_count":174,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5111662019","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I865915315","ror":"https://ror.org/008xxew50","display_name":"Vrije Universiteit Amsterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I865915315"]},"years":[1998,1996,1994]},{"institution":{"id":"https://openalex.org/I887064364","ror":"https://ror.org/04dkp9463","display_name":"University of Amsterdam","country_code":"NL","type":"education","lineage":["https://openalex.org/I887064364"]},"years":[1979]},{"institution":{"id":"https://openalex.org/I911458345","ror":"https://ror.org/00q6h8f30","display_name":"Amsterdam UMC Location Vrije Universiteit Amsterdam","country_code":"NL","type":"healthcare","lineage":["https://openalex.org/I4210151833","https://openalex.org/I911458345"]},"years":[2005,2004]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10307","display_name":"Head and Neck Cancer Studies","count":5,"subfield":{"id":"https://openalex.org/subfields/2733","display_name":"Otorhinolaryngology"},"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/T10863","display_name":"Voice and Speech Disorders","count":4,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/T10202","display_name":"Lung Cancer Diagnosis and Treatment","count":3,"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"}},{"id":"https://openalex.org/T11669","display_name":"Head and Neck Surgical Oncology","count":3,"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/T10253","display_name":"Sarcoma Diagnosis and Treatment","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T12789","display_name":"Planarian Biology and Electrostimulation","value":2.5e-05,"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"}},{"id":"https://openalex.org/T12278","display_name":"Vascular Tumors and Angiosarcomas","value":1.87e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T13314","display_name":"Lymphadenopathy Diagnosis and Analysis","value":1.82e-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/T10863","display_name":"Voice and Speech Disorders","value":1.58e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/T11669","display_name":"Head and Neck Surgical Oncology","value":1.39e-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":0.980679452419281},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.6174682378768921},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.5961084961891174},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.4555758535861969},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.3861863911151886}],"counts_by_year":[{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"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":4},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":3}],"display_name_alternatives":["A H van Hattum","A. H. van Hattum","A.H van Hattum","A.H. van Hattum","AH van Hattum","Alexander H. van Hattum","Van Hattum, A. H."],"block_key":"a hattum","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111662019","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}
