title: [Epidemiologic situation of measles before the introduction of a vaccination against measles and after 7 years of its use].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology* / Q000517:prevention & control; D008458:Measles Vaccine; D011044:Poland; D013997:Time Factors
chemical_list: D008458:Measles Vaccine
vernacular_title: Sytuacja epidemiologiczna odry przed wprowadzeniem szczepień przeciw odrze i po siedmiu latach ich stosowania.