PEARSON, R J The 1961 Middletown Oral Poliovirus Vaccine Program. IV. Public education prior to vaccine administration. [electronic resource] - The Yale journal of biology and medicine Apr 1962 - 478-82 p. digital Publication Type: Journal Article ISSN: 0044-0086 Subjects--Topical Terms: HumansPoliomyelitis--immunologyPoliovirus Vaccine, Oral