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