vaccination; prophylactic, diphtheria-tetanus-pertussis combined, with poliomyelitis
vaccination; prophylactic, diphtheria-tetanus-pertussis combined, with poliomyelitis
vaccination; prophylactic, diphtheria-tetanus-pertussis combined, with poliomyelitis
vaccination; prophylactic, diphtheria-tetanus-pertussis combined, with poliomyelitis