BRANCATO, P [Frequency and antibody titers of three types of poliomyelitis in the population of Naples]. [electronic resource] - Rivista dell'Istituto sieroterapico italiano - 236-40 p. digital Publication Type: Journal Article ISSN: 0300-9904 Subjects--Topical Terms: HumansImmunologic TestsPoliomyelitis--immunology