References
- Ampofo Oku, Dr. Centre for Plant Medicine Research, Mampong-AkwapemGhana 1976, Personal communication
- Clinquart. Bull. acad. roy. med. Belgique 1929; 9: 627
- Gellert E., Raymond-Hamet, Schlittler E. Helv. Acta. 1951; 34: 34, 642
- Raymond-Hamet. Compt. Rend. Acad. Sci. 1938; 207: 1016