1. Self-specific environments associated with nasopharyngeal carcinoma in Selangor, Malaysia
2. and , Statistical methods in cancer research. Vol. 1, The analysis of case-control studies. IARC Scientific Publication, 32, IARC, Lyon (1980).
3. Nasopharyngeal cancer in Bermuda
4. , , and , Multifactorial etiology of nasopharyngeal carcinoma. Epstein-Barr virus, familial tendency and environmental cofactors. In: and (eds.), Head and neck oncology research, pp. 469–476, Kugler, Amsterdam (1988).