1. Epidemiology and Disease Control Department, Ministry of Health, Singapore. National health survey 1998. Singapore: Ministry of Health, 1999.
2. Trends in cancer incidence in Singapore 1968-1992. Report no. 4. Singapore: Singapore Cancer Registry, 1996.
3. Cancer incidence in Singapore 1993-1997. Report no. 5. Singapore: Singapore Cancer Registry, 2000.
4. Cancer incide;Parkin,1992