1. Abou El-Hasan, A.A., Soeb, A.H., Radwan, A.S., El-Eman, E.R., Amin, S.M., 1980. The molluscicidal properties of Euphorbia lactea. In: International Congress of Tropical Medicine and Malaria, Proceedings 20, Manilla, p. 360.
2. Investigations of molluscicidal activity of certain Sudanese plants used in folk-medicine. Part IV;Ahmed;Planta Med.,1984
3. Al-Zanbagi, N.A., 1999. Plant molluscicides from Saudi Arabian Euphorbiales for use against the snail intermediate hosts of Schistosomes. Ph.D. Thesis, University of Wales, Aberystwyth.
4. Laboratory evaluation of potential plant molluscicides;Duncan,1987
5. Squalene and Urs 12-en-28 01 from the molluscicidal plant Euphorbia helioscopia;El-Amin;Egypt. J. Bilharzia,1991