For citations:

Khavkin A.I., Kovtun T.A., Makarkin D.V., Volynets G.V., Koshkarova Yu.A., Penkina N.A. Results of a prospective comparative open-label randomized study examining the efficacy of juice drinks fortified with prebiotic, minerals and vitamins for the nutrition of young children (phase IV). Lechaschi Vrach. 2020;(9):56-62. (In Russ.) https://doi.org/10.26295/OS.2020.91.62.011