Comparing the efficacy of pertussis vaccines.
Olin
P
P
D006801:Humans; D007223:Infant; D010567:Pertussis Vaccine / Q000592:standards*; D012107:Research Design; D014611:Vaccination / Q000592:standards*; D014917:Whooping Cough / Q000517:prevention & control*
D010567:Pertussis Vaccine