1. Comorbidity and dementia: A nationwide survey in Taiwan Chen, Ting-Bin; Yiao, Szu-Yu; Sun, Yu; Lee, Huey-Jane; Yang, Shu-Chien; Chiu, Ming-Jang; Chen, Ta-Fu; Lin, Ker-Neng; Tang, Li-Yu; Lin, Chung-Chih; Wang, Pei-Ning 2017 Articles DementiaEpidemiologyComorbidityOlder people--Health and hygiene