Sangkawibha, N Studies on measles in Thailand. IV. Persistence of measles antibody in the absence of natural virus two years after vaccination by the "KL" method. [electronic resource] - Biken journal Jun 1971 - 149-54 p. digital Publication Type: Journal Article ISSN: 0006-2324 Subjects--Topical Terms: Antibodies--analysisChildHemagglutination Inhibition TestsHumansMeasles--immunologyMeasles VaccineNeutralization TestsThailandVaccination