Flaegstad, Trond [Whooping cough in infants]. [electronic resource] - Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke Feb 2004 - 476 p. digital Publication Type: Editorial ISSN: 0807-7096 Subjects--Topical Terms: HumansImmunization, SecondaryInfantPertussis Vaccine--administration & dosageWhooping Cough--diagnosis