Why "Underpowered" Trials Are Not Necessarily Unethical
Edwards, S. J. L.
Lilford, R. J.
Lancet 1997 September 13; 350(9080): 804-807
Showing items related by title, author, creator and subject.
Edwards, S.J.L.; Lilford, R.J.; Braunholtz, David; Jackson, Jennifer (1997-09-13)
Edwards, Sarah J.L.; Braunholtz, David A.; Lilford, Richard J.; Stevens, Andrew J. (1999-05-22)In most randomised controlled trials, individual patients are randomised to a treatment or control group, but sometimes this is undesirable or even impossible and groups (clusters) of people may be randomised instead. These ...
Lilford, Richard J.; Braunholtz, David; Edwards, Sarah; Stevens, Andrew (2001-08-25)