title: Non-response in epidemiological studies - How to cope with it?
authors.forename: Per S
authors.initials: PS
authors.lastname: Bakke
mesh_terms: D003625:Data Collection / Q000706:statistics & numerical data*; D006801:Humans; D008171:Lung Diseases / Q000453:epidemiology*; D045808:Refusal to Participate; D011795:Surveys and Questionnaires