[EXPERIENCES FROM THE WORK OF THE SANITARY ORGANIZATION OF PSKOV REGION IN RURAL HYGIENE].
D003140:Communicable Disease Control; D004813:Epidemiology; D006801:Humans; D006920:Hygiene; D011634:Public Health; D012423:Rural Health; D012424:Rural Population; D012499:Sanitation; D014586:USSR
COMMUNICABLE DISEASE CONTROL; EPIDEMIOLOGY; PUBLIC HEALTH; RURAL HEALTH; SANITATION; USSR
OPYT RABOTY SANITARNO I ORGANIZATSII PSKOVSKO I OBLASTI PO GIGIENE SELA.