title: [Health of school children in elementary schools and their scholastic progress].
mesh_terms: D002648:Child; D006130:Growth Disorders / Q000453:epidemiology; D006311:Hearing Disorders / Q000453:epidemiology; D006801:Humans; D011044:Poland; D012572:School Health Services; D012959:Socioeconomic Factors; D013064:Speech Disorders / Q000453:epidemiology
vernacular_title: Stan zdrowia uczniów szkoły podstawowej a wyniki pracy szkolnej.