[Development of droplet infections in children. I. Dynamics of changes of epidemiological characteristics of diphtheria in Leningrad].
D002648:Child; D004165:Diphtheria / Q000453:epidemiology*; D006801:Humans
DIPHTHERIA/epidemiology
Ob evoliutsii detskikh kapel'nykh infektsii. I. Dinamika izmenenii v epidemiologicheskoi kharakteristike difterii v Leningrade.