Orlov E.N., Antipov E.M., Nikolaev N.N. (1993) Certain aspects of obtaining urinary steroids. Voprosy Meditsinskoi Khimii, 39(5), 7-10.

Orlov E.N. et al. Certain aspects of obtaining urinary steroids // Voprosy Meditsinskoi Khimii. - 1993. - V. 39. -N 5. - P. 7-10.

Orlov E.N. et al., "Certain aspects of obtaining urinary steroids." Voprosy Meditsinskoi Khimii 39.5 (1993): 7-10.

Orlov, E. N., Antipov, E. M., Nikolaev, N. N. (1993). Certain aspects of obtaining urinary steroids. Voprosy Meditsinskoi Khimii, 39(5), 7-10.