Jehanzeb Jahangir Dars, Salma Farukh Memon, Arsalan Ahmed Uqaili, Shakeel Shaikh, Moomal Tagar, Sana Javed 2022. Prevalence of Insomnia among Emergency Doctors and their Physiological Link with Serum Melatonin: Key to Better Sleep among Doctors of LUMHS. Pakistan Journal of Medical & Health Sciences. 16, 09 (Nov. 2022), 664. DOI:https://doi.org/10.53350/pjmhs22169664.