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BACKGROUND
The potential role of occupational exposures in the development of nasopharyngeal carcinoma (NPC) remains unclear, particularly in high‐incidence areas.
METHODS
The authors conducted a population‐based case‐control study, consisting of 2514 incident NPC cases and 2586 randomly selected population controls, in southern China from 2010 to 2014. Occupational history and other covariates...