Demographic Factors, Duration of Hospitalization, Costs of Hospitalization, and Cause of Death in Patients Intoxicated with Amphetamines and Opioids oleh Nastaran Izadi-Mood, Nirvana Tavahen, Gholam Reza Masoumi, Farzad Gheshlaghi, Zahra Dana Siadat, Mehrdad Setareh, Mohammad Reza Yazdani Ardestani