"Recurrent Pneumonia in Children Attending Mukalla City Hospital –Yemen". Hadhramout University Journal of Natural & Applied Sciences 14, no. 2 (نوفمبر 21, 2023). تاريخ الوصول يوليو 29, 2026. https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/57.