Afanas'eva G.A., Orlikov G.A. (1983) Estimation of gastrin in human gastric juice. Voprosy Meditsinskoi Khimii, 29(1), 137-139.
Afanas'eva G.A. et al. Estimation of gastrin in human gastric juice // Voprosy Meditsinskoi Khimii. - 1983. - V. 29. -N 1. - P. 137-139.
Afanas'eva G.A. et al., "Estimation of gastrin in human gastric juice." Voprosy Meditsinskoi Khimii 29.1 (1983): 137-139.
Afanas'eva, G. A., Orlikov, G. A. (1983). Estimation of gastrin in human gastric juice. Voprosy Meditsinskoi Khimii, 29(1), 137-139.