Comparison of exogenous melatonin versus placebo on sleep efficiency in emergency medicine residents working night shifts: A randomized trial

Shervin Farahmand, Masoume Vafaeian, Elnaz Vahidi, Atefeh Abdollahi, Shahram Bagheri-Hariri, Ahmad Reza Dehpour

World Journal of Emergency Medicine . 2018, (4): 282 -287 . DOI: 10.5847/wjem.j.1920-8642.2018.04.008