@article{articlecca74658,
title   = {Intraoperative use of methadone improves control of postoperative pain in morbidly obese patients: a randomized controlled study},
author = {Machado, Felipe Chiodini and Palmeira, Claudia Carneiro de Araujo and Torres, Joao Nathanael Lima and Vieira, Joaquim Edson and Ashmawi, Hazem Adel},
year = {2018},
doi = {10.2147/JPR.S172235},
journal   = {Journal of pain research}
}