[Periodontal diseases in schoolchildren in various regions of Poland].
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D010510:Periodontal Diseases / Q000453:epidemiology*; D011044:Poland
Choroby przyzebia u młodziezy szkolnej w poszczególnych regionach Polski.