1. Fecundity and infertility in the United States: incidence and trends;Mosher;Fertil Steril,1991
2. Infertility in men: recent advances and continuing controversies;De Kretser;J Clin Endocrinol Metab,1999
3. Male infertility;Sabanegh,2012
4. World Health Organization (WHO) manual for the standard investigation and diagnosis of the infertile couple;WHO,2000
5. A look towards the future: advances in andrology expected to revolutionize the diagnosis and treatment of the infertile male;Lamb,2009