Ratnasooriya, W.D., Premakumara, G.A.S., and Tillekeratne, L.M.V
Publication year: 1994

Ratnasooriya, W.D., Premakumara, G.A.S., and Tillekeratne, L.M.V., (1994). Post-coital contraceptive activity of crude extracts of Sri Lankan marine red algae. Contraception, 50(3), 291-299.