Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector8043610.17816/kazmj80436Research ArticlePreparing medical sites for the Bolshevik sowingLaptevN. A.info@eco-vector.com15031932322-31011051809202118092021Copyright © 2021, Eco-Vector2021<p>The socialist reconstruction of agriculture radically changes the face of the countryside from year to year. The collectivization of agriculture and the organization of grain and livestock farms create new forms of labor.</p>Kazan Medical archiveКазанский медицинский архив