“Variation in Activity of Pepsin Extracted from Buffalo Stomach Mucosa: Pepsin Extraction from Buffalo Stomach Mucosa”. Biological Sciences - PJSIR, vol. 56, no. 2, Aug. 2013, pp. 110-3, https://doi.org/10.52763/PJSIR.BIOL.SCI.56.2.2013.110.113.