ORAL POLIO VACCINATION OF CHILDREN IN THE TROPICS: I. THE POOR SEROCONVERSION RATES AND THE ABSENCE OF VIRAL INTERFERENCE

  • T. JACOB JOHN, P. JAYABAL
  • American Journal of Epidemiology, October 1972, Oxford University Press (OUP)
  • DOI: 10.1093/oxfordjournals.aje.a121457

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http://dx.doi.org/10.1093/oxfordjournals.aje.a121457