Problems of establishment and activity of the antituberculosis service in Kazakhstan during Virgin Lands campaign (early 1960s)Altaiy Orazbayeva, Valeria Kozina, Zhanna Mazhitova and Dina KurbanovaE3S Web Conf., 371 (2023) 06018DOI: https://doi.org/10.1051/e3sconf/202337106018