For citations:

Nemtyryova L.F., Grigoriev K.I., Balashova I.V. Marketing analysis of the role of a nurse in counseling parents in the office of a healthy child in children's polyclinic. Experimental and Clinical Gastroenterology. 2019;(11):36-43. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-171-11-36-43