au.\*:("WINKENS, Bjom")
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Optimal number of repeated measures and group sizes in clinical trials with linearly divergent treatment effectsWINKENS, Bjom; SCHOUTEN, Hubert J. A; VAN BREUKELEN, Gerard J. P et al.Contemporary clinical trials. 2006, Vol 27, Num 1, pp 57-69, issn 1551-7144, 13 p.Article
Randomized clinical trials with a pre-and a post-treatment measurement : Repeated measures versus ANCOVA modelsWINKENS, Bjom; VAN BREUKELEN, Gerard J. P; SCHOUTEN, Hubert J. A et al.Contemporary clinical trials. 2007, Vol 28, Num 6, pp 713-719, issn 1551-7144, 7 p.Article