[Achievements of rural hygiene in USSR during 40 years of the Soviet regime].
D000124:Achievement; D006801:Humans; D006920:Hygiene; D012423:Rural Health; D012424:Rural Population; D014586:USSR
RURAL CONDITIONS
Uspekhi gigieny sel'skokhoziaistvennogo truda v SSSR za 40 let sovetskoi vlasti.