1. Danazol for the treatment of idiopathic thrombocytopenic purpura;Ahn;New England Journal of Medicine,1983
2. Platelet antibodies in immune thrombocytopenic purpura and onyalai;Brink;South African Medical Journal,1981
3. Onyalai: a form of purpura occuring in tropical Africa. Report of cases occurring in South Africa;Gear;South African Medical Journal,1938
4. Onyalai, an epidemiological study;Hesseling,1983
5. Treatment of onyalai with prednisolone, intravenous gammaglobulin and ascorbic acid;Hesseling;South African Medical Journal,1984