[SANITARY-EPIDEMIOLOGICAL CONDITIONS OF THE COUNTRY IN THE YEARS OF WORLD WAR I (1914-1917)].
D004813:Epidemiology; D006664:History; D049673:History, 20th Century; D006801:Humans; D008511:Medicine; D012499:Sanitation; D014586:USSR; D047828:World War I
EPIDEMIOLOGY; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; SANITATION; USSR
SANITARNO-'EPIDEMICHESKOE SOSTOIANIE STRANY V GODY PERVO I MIROVO I VO INY (1914-1917)