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Title
Reduction of selection bias in primary prevention of cardiovascular disease through involvement of primary health care.
Authors
Weinehall, L; Hallgren, C G; Westman, G; Janlert, U; Wall, S
Abstract
To examine selection bias in social and health factors in a community intervention programme for the prevention of cardiovascular disease by comparing programme data with both census data and a random sample of the same population.
Publication
Scandinavian journal of primary health care, 1998, Vol 16, Issue 3, p171