Shahzad Ahmed, Zamir Ahmed Qambrani, Nazimuddin, Shazia Mahar, Ainey Razzak, Muhammad Hayat, Muhammad Nadeem Chohan 2022. Frequency of Common Risk Factors of Pneumonia in Children Aged 2-59 Months: A Cross-Sectional Study. Pakistan Journal of Medical & Health Sciences. 16, 06 (Aug. 2022), 721. DOI:https://doi.org/10.53350/pjmhs22166721.