SHOU-ZEN FANYA-JUNG CHENGLiu C.-C.2018-09-102018-09-101994http://www.scopus.com/inward/record.url?eid=2-s2.0-0028397930&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/306364Heart rate variability--a useful non-invasive tool in anesthesia.journal article