Cleavage of peptides from amphibian skin revealed by combining analysis of gland secretion and in situ maldi imaging mass spectrometry - Brunetti, Andres E.; Marani, Mariela M.; Soldi, Rafael A.; Silva, Jacqueline Nakau Mendonça Galiote; Faivovich, Julián; Cabrera, Gabriela M.; Lopes, Norberto Peporine (ACS Omega, 2018)