YU-TZU DAI2022-04-262022-04-2619790047262Xhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0018369033&partnerID=40&md5=6f8b52347867d459099ece1c48b3a030https://scholars.lib.ntu.edu.tw/handle/123456789/607899A study of first ambulation of postoperative patientsjournal article891922-s2.0-0018369033