Straetemans, M Pneumococcal vaccines for preventing otitis media. [electronic resource] - The Cochrane database of systematic reviews 2004 - CD001480 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1469-493X Standard No.: 10.1002/14651858.CD001480.pub2 doi Subjects--Topical Terms: Acute DiseaseHumansInfantOtitis Media--prevention & controlPneumococcal Vaccines--therapeutic useRandomized Controlled Trials as TopicVaccines, Conjugate--therapeutic use