Antimotility effect of  Piper betle (L) leaf extract on washed human spermatozoa.

Ratnasooriya, W.D., Jayawardana, K.G.G. and Premakumara, G.A.S
Publication year: 1990

Ratnasooriya, W.D., Jayawardana, K.G.G. and Premakumara, G.A.S.(1990). Antimotility effect of  Piper betle (L) leaf extract on washed human spermatozoa. J. Nat. Sci. Coun. Sri Lanka, 18(1), 55-62