The determination of sample size in controlled clinical trials in ophthalmology.
Krummenauer
F
F
Dick
B
B
Schwenn
O
O
Pfeiffer
N
N
D018849:Controlled Clinical Trials as Topic / Q000379:methods / Q000706:statistics & numerical data*; D006801:Humans; D009885:Ophthalmology / Q000379:methods / Q000706:statistics & numerical data*; D012107:Research Design / Q000706:statistics & numerical data; D018401:Sample Size