{"id":"https://openalex.org/A5019609596","orcid":null,"observed_orcids":[],"display_name":"Z. Holtkamp","raw_author_names":["Z. Holtkamp"],"full_name":"Z. Holtkamp","works_count":1,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5019609596","orcid":null,"observed_orcids":[]},"affiliations":[],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10585","display_name":"Family Dynamics and Relationships","count":1,"subfield":{"id":"https://openalex.org/subfields/3317","display_name":"Demography"},"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/T10786","display_name":"Maternal Mental Health During Pregnancy and Postpartum","count":1,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T13289","display_name":"Infant Health and Development","count":1,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T13289","display_name":"Infant Health and Development","value":1.31e-05,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T10786","display_name":"Maternal Mental Health During Pregnancy and Postpartum","value":4.7e-06,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T10585","display_name":"Family Dynamics and Relationships","value":1.6e-06,"subfield":{"id":"https://openalex.org/subfields/3317","display_name":"Demography"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","score":0.4929625988006592},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.470058798789978}],"counts_by_year":[{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0}],"display_name_alternatives":["Z. Holtkamp"],"block_key":"z holtkamp","works_api_url":"https://api.openalex.org/works?filter=author.id:A5019609596","updated_date":"2026-10-05T12:30:24","created_date":"2016-06-24T00:00:00"}