title: [Problems of the morbidity of children at the preschool age].
mesh_terms: D002675:Child, Preschool; D005191:Family Characteristics; D006801:Humans; D009017:Morbidity; D012959:Socioeconomic Factors; D014455:Ukraine
vernacular_title: Nekotorye voprosy zabolevaemosti deteĭ doshkol'nogo vozrasta