Kedva B.I., Vinnitskaya K.B. (1975) Determination of choline, its esters and their mixtures by thin-layer chromatography. Voprosy Meditsinskoi Khimii, 21(4), 432-434.

Kedva B.I. et al. Determination of choline, its esters and their mixtures by thin-layer chromatography // Voprosy Meditsinskoi Khimii. - 1975. - V. 21. -N 4. - P. 432-434.

Kedva B.I. et al., "Determination of choline, its esters and their mixtures by thin-layer chromatography." Voprosy Meditsinskoi Khimii 21.4 (1975): 432-434.

Kedva, B. I., Vinnitskaya, K. B. (1975). Determination of choline, its esters and their mixtures by thin-layer chromatography. Voprosy Meditsinskoi Khimii, 21(4), 432-434.