For citations:
Creation and development of the sanitary inspection on Ryazan land in the first half of the twentieth century: Historical milestones. Public Health and Life Environment – PH&LE. 2022;(6):74-77. (In Russ.)
Creation and development of the sanitary inspection on Ryazan land in the first half of the twentieth century: Historical milestones. Public Health and Life Environment – PH&LE. 2022;(6):74-77. (In Russ.)