title: Late responders and bias in questionnaire studies.
authors.forename: Anders
authors.initials: A
authors.lastname: Osterlund
authors.forename: Magnus
authors.initials: M
authors.lastname: Hermann
authors.forename: Arne
authors.initials: A
authors.lastname: Runehagen
mesh_terms: D000368:Aged; D015982:Bias; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data; D007252:Influenza Vaccines / Q000008:administration & dosage*; D011795:Surveys and Questionnaires; D013548:Sweden
chemical_list: D007252:Influenza Vaccines