Efimova G.V., Markovich A.V. (1963) Determination of griseofulvin and 6-demethylgriseofulvin in urine by a spectrophotometric method. Voprosy Meditsinskoi Khimii, 9(4), 429-434.

Efimova G.V. et al. Determination of griseofulvin and 6-demethylgriseofulvin in urine by a spectrophotometric method // Voprosy Meditsinskoi Khimii. - 1963. - V. 9. -N 4. - P. 429-434.

Efimova G.V. et al., "Determination of griseofulvin and 6-demethylgriseofulvin in urine by a spectrophotometric method." Voprosy Meditsinskoi Khimii 9.4 (1963): 429-434.

Efimova, G. V., Markovich, A. V. (1963). Determination of griseofulvin and 6-demethylgriseofulvin in urine by a spectrophotometric method. Voprosy Meditsinskoi Khimii, 9(4), 429-434.