Current status of Traditional Chinese Medicine external application in integrated pension and medical service of Traditional Chinese Medicine for the elderly (中医外治法在中医药医养结合养老服务中的应用现状) - DONG Shuo (董硕); HUANG Yanping (黄砚萍); FENG Xiaoxuan (冯晓璇); LI Jie (李洁); DUAN Yajing (段雅静); FENG Xinxin (封幸幸) (中西医结合护理, 2021)