C. Purushotham Reddy, G. Venkateswara Rao, K. Ramakrishna, and K. Narayana Rao, “Method Development and Validation for Quantification of Potential Genotoxic Impurity, PyCl in Lansoprazole Hydrochloride using Liquid Chromatography Combined with Mass Spectrometry”, ajc, vol. 33, no. 5, pp. 1165–1168, Apr. 2021.