Kvashnina L, Lutsenko L, Ignatova T, Matviyenko I. The issue of changes of physical development indicators, their harmony and possible relation with puberty in girls and boys aged 6–11 under modern conditions. RE [Internet]. 2025Nov.28 [cited 2026Jan.20];(80):62-9. Available from: https://reproduct-endo.com/article/view/347190