1.
Johnson A, Valsan SM. Role of sleep on alertness among medical students from a tertiary care hospital, Thrissur district, Kerala: cross-sectional study. Int J Community Med Public Health [Internet]. 2019 Jun. 28 [cited 2026 Mar. 30];6(7):2867-70. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/4633