Flaegstad, Trond [Pneumococcal vaccine is effective]. [electronic resource] - Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke Jun 2008 - 1379 p. digital Publication Type: Editorial ISSN: 0807-7096 Subjects--Topical Terms: ChildHumansPneumococcal Infections--prevention & controlPneumococcal Vaccines--administration & dosageTreatment Outcome