Pokrovskiĭ A.A., Bogdanova L.M. (1968) Determination of pepsin and gastricsin in human gastric juice. Voprosy Meditsinskoi Khimii, 14(1), 102-106.
Pokrovskiĭ A.A. et al. Determination of pepsin and gastricsin in human gastric juice // Voprosy Meditsinskoi Khimii. - 1968. - V. 14. -N 1. - P. 102-106.
Pokrovskiĭ A.A. et al., "Determination of pepsin and gastricsin in human gastric juice." Voprosy Meditsinskoi Khimii 14.1 (1968): 102-106.
Pokrovskiĭ, A. A., Bogdanova, L. M. (1968). Determination of pepsin and gastricsin in human gastric juice. Voprosy Meditsinskoi Khimii, 14(1), 102-106.