van Heerbeek, Niels Effect of combined pneumococcal conjugate and polysaccharide vaccination on recurrent otitis media with effusion. [electronic resource] - Pediatrics Mar 2006 - 603-8 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1098-4275 Standard No.: 10.1542/peds.2005-0940 doi Subjects--Topical Terms: ChildChild, PreschoolHeptavalent Pneumococcal Conjugate VaccineHumansImmunoglobulin A--bloodImmunoglobulin M--bloodMeningococcal Vaccines--immunologyMiddle Ear VentilationOtitis Media with Effusion--immunologyPneumococcal Infections--immunologyPneumococcal Vaccines--immunologyPolysaccharides, BacterialRisk FactorsSecondary PreventionVaccines, Conjugate