1. Nasopharyngeal cancer in East Java;Djojopranato,1967
2. Aetiology of nasopharyngeal carcinoma: Report on a retrospective study in Singapore;Shanmugaratnam,1967
3. Carcinoma of the nasopharynx in Kenya;Clifford;E. Afr. med. J.,1965
4. Faecal steroids and bacteria and large bowel cancer in Hong Kong by socio-economic group;Crowther;Br. J. Cancer,1976
5. Carcinogens in the nose and throat: nasopharyngeal cancer in Kenya;Clifford,1972