Yakovlev, Yakov Yakovlevich, et al. “LACTATION DOMINANCE AND THE LEVEL OF KNOWLEDGE ABOUT BREASTFEEDING AMONG HIGH SCHOOL GIRLS: A COMPARATIVE CROSS-SECTIONAL STUDY OVER A 20-YEAR PERIOD”. Mother and Baby in Kuzbass, no. 3, Sept. 2026, https://mednauki.ru/index.php/MD/article/view/1516.