Yoshinaka, R. & Sato, M. & Tanaka, H. & Ikeda, S. (1985)
Distribution of pancreatic elastase and metalloproteinase in several species of fish. Comparative Biochemistry and Physiology – Part C, Comparative Pharmacology, 80(2), 227–233
DOI: 10.1016/0305-0491(85)90201-9