Quest for a herbal contraceptive
- Physiological Society of Sri Lanka Peradeniya 1992
- 20
- Gossypol Montanoa Tomentosa Hibiscus Rosasinensis Vicoa Indica Embelia Ribes Toxicology Extraction Procedures Sri Lanka
- K.N.Seneviratne Memorial Oration-9th October 1992 .
= Chaudhury, R.R.