Usman, Gulzar, et al. “BED OCCUPANCY RATE AND LENGTH OF STAY OF PATIENTS IN MEDICAL AND ALLIED WARDS OF A TERTIARY CARE HOSPITAL”. Journal of Ayub Medical College Abbottabad, vol. 27, no. 2, June 2015, pp. 367-70, https://demo.ayubmed.edu.pk/index.php/jamc/article/view/37.