title: Efficacy of acellular pertussis vaccine.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004341:Drug Evaluation; D006801:Humans; D007114:Immunization; D007223:Infant; D007231:Infant, Newborn; D010567:Pertussis Vaccine / Q000592:standards*; D014917:Whooping Cough / Q000517:prevention & control*
chemical_list: D010567:Pertussis Vaccine