外科WU, MING-TSANGMING-TSANGWULEE, YUNG-CHIEYUNG-CHIELEECHEN, CHIEN-JENCHIEN-JENCHENYANG, PEI-WENPEI-WENYANGLEE, CHUN-JEANCHUN-JEANLEEWU, DENG-CHYANGDENG-CHYANGWUHSU, HON-KIHON-KIHSUHO, CHI-KUNGCHI-KUNGHOKAO, EIN-LONGEIN-LONGKAOLEE, JANG-MINGJANG-MINGLEE2009-01-082018-07-112009-01-082018-07-112001http://ntur.lib.ntu.edu.tw//handle/246246/96210Among 104 cases of squamous-cell oesophageal carcinoma patients and 277 controls in Taiwan, after adjusting for cigarette smoking, alcohol consumption, and other confounders, we found that subjects who chewed from 1 to 495 betel-year and more than 495 betel-years (about 20 betel quid per day for 20 years) had 3.6-fold (95% CI = 1.3-10.1) and 9.2-fold risk ( 95% CI = 1.8-46.7), respectively, of developing oesophageal cancer, compared to those who did not chew betel. (C) 2001 Cancer Research Campaign.en-USoesophageal cancersquamous-cell carcinomabetelESOPHAGEAL CANCERDNA-ADDUCTSORAL-CANCER[SDGs]SDG3journal article