1
by Cleophas, Ton J., Zwinderman, A.H.
Published 2000
Springer Netherlands
... previous treatments, time effects due to external factors and the natural history of the condition under...

2
by Cleophas, Ton J., Zwinderman, A.H.
Published 2002
Springer Netherlands
..., time effects due to external factors and the natural history of the condition under study, bias due...

3
by Cleophas, Ton J.
Published 2006
Springer Netherlands
..., time effects due to external factors and the natural history of the condition under study, bias due...