Yunnan Key Laboratory of Fertility Regulation and Minority Eugenics;
Yunnan Population and Family Planning Research Institute;
State Key Laboratory of Genetic Resources and Evolution;
Kunming Institute of Zoology;
Chinese Academy of Sciences;
Department of Urology;
Kunming General Hospital of Chengdu Military Command;
Haiyuan College;
Kunming Medical University;
Azoospermia factor c(AZFc); AZFc polymorphism; b2/b3; gr/gr; Infertility;