Silich, V A [The immunologic structure of the population of Tuls with regard to measles at various times of the year]. [electronic resource] - Zhurnal mikrobiologii, epidemiologii i immunobiologii May 1970 - 109-15 p. digital Publication Type: Journal Article ISSN: 0372-9311 Subjects--Topical Terms: AdolescentChildChild, PreschoolHemagglutination Inhibition TestsHumansInfantMeasles--epidemiologyRussiaSeasons