4Che Y & Cleland J. Infertility in Shanghai: prevalence, treatment seeking and impact. J Obstet Gynaecol, 2002, 22(6): 643-8.
5Stephen EH & Chandra A. Use of infertility services in the United States1995. Fam Plann Perspect, 2000,32(3): 132-7.
6Patrick JR & Griffin PD (eds.). Sociocultural attitudes towards infertility and assisted reproduction in India. In:Current Practices and Controversies in Assisted Reproduction. Geneva:WHO, 2001, p. 60-74.
7Hirsh A. Male subfertility. BM J, 2003, 20(7 416): 669-72.
8Patricia D Prosser. Infertility in the modern world: present and future prospects. Fam Practice, 2001, 18(4): 469.
9Lok I H, Cheung LP & Haines CJ. Management of infertility.The Hong Kong Practitioner, 2003, 25:249-61.
10Gdoura R, Keskes-Ammar L, Bouzid F, et al. Chlamydia trachomatis and male infertility in Tunisia. The European Journal of Contraception and Reproductive Health Care,2001,6(2):102-7.
