Khalid, Aneeqa, Akash John, Abid Ali, Narjis Batool, and Areej Zamir. 2022. “Frequency of Gastrointestinal Diseases Diagnosed on Barium Contrast Studies: Frequency of Gastrointestinal Diseases”. Pakistan BioMedical Journal 5 (5):325-29. https://doi.org/10.54393/pbmj.v5i5.511.