1. Bouquet A, Debray M. Trav Doc Orstom 1974:32
2. Plantes médicinales et toxiques de la Cote d'Ivoire, Haute Volta;Kerharo,1950
3. Woody plants of Ghana with special reference to their uses;Irvine,1961
4. Walker AR. Usages pharmaceutiques de plantes spontanees du Gabon II, 1953