Javed, S., Sehar, N. us, Samreen, S., Raza, M., Sajjad, Q., & Saleemi, A. (2021). Comparison of Two Hours Fasting with Conventional 8 Hours Fasting Before Undergoing Upper Gastrointestinal Endoscopy: Fasting Before Undergoing Upper Gastrointestinal Endoscopy. Pakistan BioMedical Journal, 4(2), 263-267. https://doi.org/10.54393/pbmj.v4i2.154