RT Journal Article
SR Electronic
T1 The tyranny of power: is there a better way to calculate sample size?
JF BMJ
JO BMJ
FD British Medical Journal Publishing Group
SP b3985
DO 10.1136/bmj.b3985
VO 339
A1 Bland, John Martin
YR 2009
UL http://www.bmj.com/content/339/bmj.b3985.abstract
AB