Kok, P.W.Ong, C.N.COMMUNITY,OCCUPATIONAL & FAMILY MEDICINE2012-04-022012-04-021994Kok, P.W.,Ong, C.N. (1994). Blood and urinary benzene determined by headspace gas chromatography with photoionization detection: Application in biological monitoring of low-level nonoccupational exposure. International Archives of Occupational and Environmental Health 66 (3) : 195-201. ScholarBank@NUS Repository.03400131https://scholarbank.nus.edu.sg/handle/10635/31879Biological monitoringCigarette smokingGC-headspace techniquePhotoionization detectionBlood and urinary benzene determined by headspace gas chromatography with photoionization detection: Application in biological monitoring of low-level nonoccupational exposureArticleNOT_IN_WOS