title: [Alarming tendency of increased number of dropouts in epidemiologic case-control studies].
authors.affiliation: Institutet för miljömedicin, Karolinska institutet, Stockholm. Maria.Feychting@imm.ki.se
authors.forename: Maria
authors.initials: M
authors.lastname: Feychting
authors.forename: Anders
authors.initials: A
authors.lastname: Ahlbom
authors.forename: Jonas
authors.initials: J
authors.lastname: Björk
authors.forename: Ulf
authors.initials: U
authors.lastname: Strömberg
mesh_terms: D016022:Case-Control Studies; D006801:Humans; D016017:Odds Ratio; D010352:Patient Dropouts / Q000706:statistics & numerical data*; D010358:Patient Participation / Q000706:statistics & numerical data* / Q000639:trends