Shaposhnikov A.M. (1967) Rapid method for the diagnosis of phenylpyruvic oligophrenia. Voprosy Meditsinskoi Khimii, 13(3), 325-327.

et al. Rapid method for the diagnosis of phenylpyruvic oligophrenia // Voprosy Meditsinskoi Khimii. - 1967. - V. 13. -N 3. - P. 325-327.

et al., "Rapid method for the diagnosis of phenylpyruvic oligophrenia." Voprosy Meditsinskoi Khimii 13.3 (1967): 325-327.

Shaposhnikov, A. M. (1967). Rapid method for the diagnosis of phenylpyruvic oligophrenia. Voprosy Meditsinskoi Khimii, 13(3), 325-327.