(Q52877737)
Statements
Comparison of stayers, dropouts, and newcomers in a longitudinal population study of asthma and bronchial hyperresponsiveness: introduction of bias? (English)
Comparison of Stayers, Dropouts, and Newcomers in a Longitudinal Population Study of Asthma and Bronchial Hyperresponsiveness: Introduction of Bias? (English)
1 reference
1 January 1995
32
4
295-300
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference