Varbanets V.F. (1990) Activity of proteolytic enzymes and their inhibitors in large intestine tumors. Voprosy Meditsinskoi Khimii, 36(2), 33-35.

et al. Activity of proteolytic enzymes and their inhibitors in large intestine tumors // Voprosy Meditsinskoi Khimii. - 1990. - V. 36. -N 2. - P. 33-35.

et al., "Activity of proteolytic enzymes and their inhibitors in large intestine tumors." Voprosy Meditsinskoi Khimii 36.2 (1990): 33-35.

Varbanets, V. F. (1990). Activity of proteolytic enzymes and their inhibitors in large intestine tumors. Voprosy Meditsinskoi Khimii, 36(2), 33-35.