Evaluating the effect of chronic and continuous use of methadone on the glomerular filtration rate of patients receiving oral methadone (syrup) - Chegini, Valiollah Goudarzvand; Kazemifar, Amir Mohammad; Tavakolian, Amir Ershad; Karimi, Arian Ghannadi; Sofi, Arsalan Jamali Pour; Ipchian, Darya; Kamali, Sahand; Varkiani, Mehran Ebrahimi; Yazdi, Zohreh (Frontiers in Medicine, 2024)