Measurement of chemical carcinogens in the human environment: the objectives and problems encountered.
D002274:Carcinogens, Environmental / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D009369:Neoplasms / Q000453:epidemiology; D009602:Nitrosamines / Q000032:analysis
D002274:Carcinogens, Environmental; D009602:Nitrosamines