Xiaole Chen, and He Wang. 2016. “Mass Spectrometric Identification of Catabolic Pathways in the Selected Amphibian Skin Peptides With the Saliva and the Major Salivary Protease, Kallikrein”. Global Journal of Medical Research 16 (B2):1-7. https://medicalresearchjournal.org/index.php/GJMR/article/view/1100.