1.
Khalek EMA, Abdel-Salam DM. Acute respiratory tract infections in children under 5 years of age in Upper Egypt. Int J Community Med Public Health [Internet]. 2017 Feb. 3 [cited 2025 Oct. 26];3(5):1161-6. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/873