Emergency department utilization can indicate early diagnosis of digestive tract cancers: A population-based study in Taiwan. - Carlos Lam; Ching-Feng Kuan; James Miser; Kun-Yi Hsieh; Yu-Ann Fang; Yu-Chuan Li; Chin-Wang Hsu; Ray-Jade Chen; Chang-I Chen (Comput. Methods Programs Biomed., 2014)