Popova G.N., Berezov T.T., Burobina S.S. (1973) 5-hydroxytryptophan decarboxylase activity in benign tumors in man. Voprosy Meditsinskoi Khimii, 19(1), 99-102.

Popova G.N. et al. 5-hydroxytryptophan decarboxylase activity in benign tumors in man // Voprosy Meditsinskoi Khimii. - 1973. - V. 19. -N 1. - P. 99-102.

Popova G.N. et al., "5-hydroxytryptophan decarboxylase activity in benign tumors in man." Voprosy Meditsinskoi Khimii 19.1 (1973): 99-102.

Popova, G. N., Berezov, T. T., Burobina, S. S. (1973). 5-hydroxytryptophan decarboxylase activity in benign tumors in man. Voprosy Meditsinskoi Khimii, 19(1), 99-102.