Shavlovskiĭ M.M., Vasilets I.M. (1972) Preparation of highly purified trypsin preparations from commercial trypsin. Voprosy Meditsinskoi Khimii, 18(3), 276-279.

Shavlovskiĭ M.M. et al. Preparation of highly purified trypsin preparations from commercial trypsin // Voprosy Meditsinskoi Khimii. - 1972. - V. 18. -N 3. - P. 276-279.

Shavlovskiĭ M.M. et al., "Preparation of highly purified trypsin preparations from commercial trypsin." Voprosy Meditsinskoi Khimii 18.3 (1972): 276-279.

Shavlovskiĭ, M. M., Vasilets, I. M. (1972). Preparation of highly purified trypsin preparations from commercial trypsin. Voprosy Meditsinskoi Khimii, 18(3), 276-279.