Ahmed, Akbar K., et al. “FREQUENCY OF INTESTINAL PARASITIC INFESTATION IN CHILDREN OF 5-12 YEARS OF AGE IN ABBOTTABAD”. Journal of Ayub Medical College Abbottabad, vol. 15, no. 2, May 2003, https://www.jamc.ayubmed.edu.pk/index.php/jamc/article/view/3951.