Abstract:Purpose To explore associations of nutritional, infectious, and lifestyle factors with esophageal cancer (EC) occurrence in a high-risk area of Malawi.Methods This case–control study was performed with 227 patients. Data on clinicopathological characteristics and risk factors were collected using a questionnaire developed for this study specifically. Ninety-eight blood samples were collected and the prevalence of antibodies against human immunodeficiency virus (HIV), herpes simplex virus (HSV), cytomegalovirus… Show more
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