1. Effects of neem (Azadirachta indica) oil in male rats by single intra-vas administration, an alternative approach to vasectomy;Upadhyay;J Androl,1993
2. Long-term contraceptive effects of intrauterine neem treatment (IUNT) in bonnet monkeys: an alternative to intrauterine contraceptive devices (IUCD);Upadhyay;Contraception,1994
3. Praneem polyherbal cream and pessaries with dual properties of contraception and alleviation of genital infections;Talwar;Curr Sci,1995
4. Neem oil as a vaginal contraceptive;Sinha;Ind J Med Res,1984
5. Anti-implantation effect of neem oil;Sinha;Ind J Med Res,1984