M. A. Khan, M. Mushtaq, M. Z. Ahmad, H. Amir, T. M. Bajwa, and S. M. Laeeque, “PREVALENCE OF GERIATRIC DISEASES AMONG PARENTS OF MEDICAL DOCTORS IN LAHORE”, J Ayub Med Coll Abbottabad, vol. 24, no. 2, pp. 133–135, Jun. 2012.