Rykushin, Iu P [Changes in measles epidemiology at a period of its elimination]. [electronic resource] - Zhurnal mikrobiologii, epidemiologii i immunobiologii - 44-5 p. digital Publication Type: Journal Article ISSN: 0372-9311 Subjects--Topical Terms: ChildChild, PreschoolDisease Outbreaks--prevention & controlHumansImmunization, SecondaryMeasles--epidemiologyMeasles Vaccine--immunologyRussia--epidemiology