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Title
Day care attendance, recurrent respiratory tract infections and asthma.
Authors
Nystad, W; Skrondal, A; Magnus, P
Abstract
Our objective was to use a causal model for childhood asthma to determine whether the effect of day care attendance on asthma was mediated by recurrent respiratory tract infections.
Publication
International journal of epidemiology, 1999, Vol 28, Issue 5, p882