Rubab Hafeez, Sadia Amir, Ammara Sardar, Nagham Nawaz Awan, Madiha Jameel, Sumbal Abbas, “Frequency of Common Causes of Severe Anemia in Children under 5 Years of Age Admitted in Children Hospital, Lahore”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 03, p. 717, Apr. 2022.