Chabas, E Postoperative respiratory function in children after abdominal surgery. A comparison of epidural and intramuscular morphine analgesia. [electronic resource] - Anaesthesia Apr 1998 - 393-7 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0003-2409 Standard No.: 10.1046/j.1365-2044.1998.00325.x doi Subjects--Topical Terms: Abdomen--surgeryAdolescentAnalgesia, EpiduralAnalgesics, Opioid--administration & dosageChildFemaleForced Expiratory Volume--drug effectsHumansInjections, IntramuscularMaleMorphine--administration & dosagePain, Postoperative--drug therapyPostoperative PeriodRespiratory Mechanics--drug effectsVital Capacity--drug effects