W Schill

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Minmax designs for planning the second phase in a two-phase case-control study.

W Schill, P Wild, 2006, Statistics in medicine.

Attributable risk estimation from case-control data via logistic regression.

W Schill, K. Drescher, K Drescher, 1991, Biometrics.

Logistic analysis of studies with two-stage sampling: a comparison of four approaches.

W Schill, K Drescher, 1997, Statistics in medicine.