Opium Could Be Considered an Independent Risk Factor for Lung Cancer: A Case-Control Study
نویسندگان
چکیده
منابع مشابه
Opium could be considered an independent risk factor for lung cancer: a case-control study.
BACKGROUND Lung cancer is the leading cause of cancer-related death worldwide, and half of all incident lung cancers are believed to occur in the developing countries, including Iran. OBJECTIVE We investigated the association of opium with the risk of lung cancer in a case-control study. METHODS We enrolled 242 cases and 484 matched controls in this study. A questionnaire was developed, con...
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ژورنال
عنوان ژورنال: Respiration
سال: 2013
ISSN: 1423-0356,0025-7931
DOI: 10.1159/000338559