[On the problem of vaccination against pertussis].
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010567:Pertussis Vaccine / Q000627:therapeutic use*; D011044:Poland; D014917:Whooping Cough / Q000517:prevention & control*
D010567:Pertussis Vaccine
W sprawie szczepień przeciwkrztuścowych.