Dars, J. et al. 2024. Melatonin Mystery Key to A Sleepless Stress: A Cross-Sectional Study among Emergency Doctors of LUMHS, Sindh, Pakistan: Effects of Melatonin on Doctors Working in Emergency Department. Annals of Punjab Medical College. 18, 2 (Jun. 2024), 81–84. DOI:https://doi.org/10.29054/apmc/2024.1534.