1. South African traditional herbal medicines used during pregnancy and childbirth
2. M.H. Mabina, Pers. Commun., Department of Obstetrics and Gynaecology, University of Natal, Durban, 1995.
3. A. Hutchings, A.H. Scott, G. Lewis, A. Cunningham, Zulu Medicinal Plants, University of Natal Press, Pietermaritzburg, South Africa, p.157 (1996).