[ON THE EPIDEMIOLOGIC SIGNIFICANCE OF MIGRATION DURING THE SUMMER MONTHS IN LARGE POPULATION CENTERS].
D004813:Epidemiology; D006801:Humans; D014171:Transients and Migrants; D014586:USSR
EPIDEMIOLOGY; TRANSIENTS AND MIGRANTS; USSR
OB 'EPIDEMIOLOGICHESKO I ZNACHIMOSTI MIGRATSII NASELENIIA V LETNIE MESIATSY V KRUPNYKH NASELENNYKH TSENTRAKH.