[Determination of nitrosamines in drinking water from an area with a high incidence of esophageal cancer].
D000818:Animals; D004938:Esophageal Neoplasms / Q000453:epidemiology*; D006801:Humans; D008297:Male; D051379:Mice; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009602:Nitrosamines / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000633:toxicity; D014881:Water Supply / Q000032:analysis*
D009602:Nitrosamines; D014874:Water Pollutants, Chemical