Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshikazu Harima,Protective Efficacy of the Measles Vaccines in Closed Nurseries,Pediatrics International,1328-8067,Wiley,1977-12-01,19,,32-33,https://cir.nii.ac.jp/crid/1874242817202509440,https://doi.org/10.1111/j.1442-200x.1977.tb00089.x