Mogan, J Effects of preoperative teaching on postoperative pain: a replication and expansion. [electronic resource] - International journal of nursing studies 1985 - 267-80 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0020-7489 Standard No.: 10.1016/0020-7489(85)90009-4 doi Subjects--Topical Terms: AdultAgedBreathing ExercisesCholecystectomyHumansHysterectomyMiddle AgedPain, Postoperative--psychologyPatient Education as Topic--methodsRandom AllocationRelaxation Therapy