title: [Possibilites and error sources of survey analysis].
mesh_terms: D004812:Epidemiologic Methods; D005387:Finland; D005500:Follow-Up Studies / Q000379:methods; D006306:Health Surveys / Q000379:methods; D006801:Humans; D008403:Mass Screening / Q000379:methods; D012494:Sampling Studies / Q000379:methods; D012961:Sociology; D011795:Surveys and Questionnaires
vernacular_title: Haastattelutukimuksen mahdollisuudet ja virhelähteet