Khan MA, Akram S, Usman HB. POLIO IMMUNIZATION AND AWARENESS: A CROSS SECTIONAL STUDY IN SHANGLA AND SWAT DISTRICTS, PAKISTAN. J Postgrad Med Inst [Internet]. 2016 Apr. 28 [cited 2024 Nov. 24];30(2). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/1725