DOI:
10.1055/s-00000085
The Thoracic and Cardiovascular Surgeon
LinksClose Window
References
Fleiss JL, Tytun A, Ury HK.
A simple approximation for calculating sample sizes for comparing independent proportions.
Biometrics 1980;
36 (02) 343-346
Access:
Access:
We do not assume any responsibility for the contents of the web pages of other providers.