An efficient SAS program for exact stratification of person-years
Jian Sun, Eiji Shibata, Michihiro Kamijima, Machiko Toida, Yasuhiro TakeuchVolume:
27
Year:
1997
Language:
english
Pages:
5
DOI:
10.1016/s0010-4825(96)00028-5
File:
PDF, 390 KB
english, 1997