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World Health Forum|January 1, 1994
Musculoskeletal disorders in operators of visual display terminalsC N OngToxicology Letters|October 8, 1999
Reference values and action levels of biological monitoring in occupational exposureC N OngJournal of Epidemiology and Community Health|February 29, 2000
Homocysteine, folate, vitamin B12, and cardiovascular risk in Indians, Malays, and Chinese in SingaporeK Hughes, C N OngOccupational Medicine (Philadelphia, Pa.)|April 1, 1990
Shiftwork in developing countries: current issues and trendsC N Ong, K KogiJournal of Epidemiology and Community Health|June 9, 1998
Vitamins, selenium, iron, and coronary heart disease risk in Indians, Malays, and Chinese in SingaporeK Hughes, C N OngThe British Journal of Dermatology|May 8, 1999
Phytophotodermatitis due to the application of citrus hystrix as a folk remedyD Koh, C N OngAnnals of the Academy of Medicine, Singapore|July 1, 1982
The development of and recent trends in occupational health in SingaporeW O Phoon, C N OngInternational Archives of Occupational and Environmental Health|January 1, 1994
Blood and urinary benzene determined by headspace gas chromatography with photoionization detection: application in biological monitoring of low-level nonoccupational exposureP W Kok, C N OngBritish Journal of Industrial Medicine|August 1, 1980
High affinity of lead for fetal haemoglobinC N Ong, W R LeeBritish Journal of Industrial Medicine|February 1, 1980
Distribution of lead-203 in human peripheral blood in vitroC N Ong, W R LeePageof 18