Mahdi, Estabraq M., and Hamoudi A. Mosah. 2010. “The Effect of Melatonin Treatment and Exposure to Continuous Darkness on the Reactivity of Smooth Muscles to Drugs in Rats”. Al Mustansiriyah Journal of Pharmaceutical Sciences 7 (1):81-89. https://doi.org/10.32947/ajps.v7i1.320.