Anti-microbial activity of a new vaginal contraceptive NIM-76 from neem oil (Azadirachta indica) - SaiRam, M; Ilavazhagan, G; Sharma, S K; Dhanraj, S A; Suresh, B; Parida, M M; Jana, A M; Devendra, K; Selvamurthy, W (J Ethnopharmacol, 2000)