MARTINS, D A [Response to infection with attenuated poliomyelitis virus during the neonatal period & early infancy]. [electronic resource] - Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau Oct 1958 - 281-6 p. digital Publication Type: Journal Article ISSN: 0030-0632 Subjects--Topical Terms: FemaleHumansInfant, Newborn--physiologyPoliomyelitis--immunologyPoliovirusPregnancy--physiology