[2 vaccine dosages for basic prevention of whooping cough in children over 2 years of age?].
Gothefors
L
L
Storsaeter
J
J
D000367:Age Factors; D002675:Child, Preschool; D003718:Denmark; D006801:Humans; D007115:Immunization Schedule; D010567:Pertussis Vaccine / Q000008:administration & dosage*
D010567:Pertussis Vaccine