Yen C.-R.Tsou M.-Y.Mandell M.S.Chan C.-T.Chan K.-H.Chen, Tony Hsiu HsiTony Hsiu HsiChenChang K.-Y.2022-04-212022-04-2120100003-3022https://www.scopus.com/inward/record.uri?eid=2-s2.0-77649133053&doi=10.1097%2fALN.0b013e3181cbd1f3&partnerID=40&md5=9cbfb76b238289641b660af4a3a430cfhttps://scholars.lib.ntu.edu.tw/handle/123456789/605404An analysis of patient variables that influence intravenous patient-controlled analgesic use of morphine with quantile regressionjournal article10.1097/ALN.0b013e3181cbd1f32-s2.0-77649133053