Differing results for efficacy-sampling bias or purposive sampling? Reply of the author

Author: Grigorieva V.  

Publisher: Elsevier

ISSN: 0015-0282

Source: Fertility and Sterility, Vol.80, Iss.5, 2003-11, pp. : 1292-1293

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Abstract