机译:尼日利亚男性不育危险因素的病例对照研究
Department of Obstetrics and Gynecology, University of Benin Teaching Hospital, Benin City 30001, Nigeria;
Women's Health and Action Research Center, Benin City 30001, Nigeria;
Department of Public Health Sciences, Division of International Health (IHCAR), Karolinska Institute, Stockholm 08,Sweden;
Department of Anatomy, University of Benin, Benin City 30001, Nigeria;
Women's Health and Action Research Center, Benin City 30001, Nigeria;
Department of Obstetrics and Gynecology, University of Benin Teaching Hospital, Benin City 30001, Nigeria;
Women's Health and Action Research Center, Benin City 30001, Nigeria;
Department of Obstetrics and Gynecology, University of Benin Teaching Hospital, Benin City 30001, Nigeria;
Department of Public Health Sciences, Division of International Health (IHCAR), Karolinska Institute, Stockholm 08,Sweden;
male infertility; Nigeria; semen analysis; genital infection; smoking; alcohol; risk factor;