De Mattia, D [Induction of serum IgA development in catarrhal children by means of a polyvalent oral bacterial vaccine]. [electronic resource] - Minerva pediatrica Mar 1978 - 469-76 p. digital Publication Type: English Abstract; Journal Article ISSN: 0026-4946 Subjects--Topical Terms: Agammaglobulinemia--therapyBacterial Vaccines--administration & dosageChild, PreschoolHumansImmunoglobulin A--biosynthesisInfantOtitis--immunologyRespiratory Tract Infections--immunology