Environmental issues of children's health in the Kazakh SSR (1941–1943) Zhanara Abdukarimova, Gulnar Baigozhina, Zauresh Saktaganova and Zhanna Mazhitova E3S Web of Conf., 381 (2023) 02018 Published online: 14 April 2023 DOI: 10.1051/e3sconf/202338102018