Травина, М.Л., Попов, А.Г., Попов, С.А. and Куликова, Е.В. 2017. Cystic changes in the mammary gland structure in different age periods. REPRODUCTIVE ENDOCRINOLOGY. 34 (Apr. 2017), 77–83. DOI:https://doi.org/10.18370/2309-4117.2017.34.77-83.