## Abstract In a caseβcontrol study of NPC conducted in the Philippines, 104 predominantly nonβChinese (<10% ethnically Chinese) cases of nasopharyngeal carcinoma (NPC) and 205 hospital and community controls were recruited. Risk factor information was obtained through personal interview. The occup
Non-viral environmental risk factors for nasopharyngeal carcinoma: A systematic review
β Scribed by Wei-Hua Jia; Hai-De Qin
- Book ID
- 113900549
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 570 KB
- Volume
- 22
- Category
- Article
- ISSN
- 1044-579X
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A population-based case-control study was conducted in Shanghai, China, to investigate the associations between exposures to various non-dietary variables and risk of nasopharyngeal carcinoma (NPC). A total of 935 NPC patients and 1,032 community controls were included. Active cigarette smoking was
We conducted interviews on 306 histologically confirmed incident cases of nasopharyngeal carcinoma (NPC) occurring in residents of Guangzhou City, China, who were under the age of 50, and an equal number of age-, sex-, and neighborhood-matched controls. We also interviewed I10 mothers of patients un