[The problem of non-response to representative questionnaires].
D006306:Health Surveys / Q000379:methods; D006801:Humans; D007407:Interviews as Topic / Q000458:organization & administration; D012494:Sampling Studies / Q000379:methods; D011795:Surveys and Questionnaires / Q000379:methods
Zum Problem der Ausfälle in Repräsentativbefragungen.