title: [The obligation to check up. (Review of socialistic competition in honor of Lenin's 6th jubilee)].
mesh_terms: D049673:History, 20th Century; D014586:USSR; D014730:Veterinary Medicine / Q000266:history*
vernacular_title: Obiazatel'stva na proverku. (Obzor sotsialisticheskogo sorevnovaniia v chest' Leninskogo iubileia)