[Frequency of malocclusion in preschool children from the Belchatow area].
D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000145:classification / Q000453:epidemiology*; D011044:Poland
Wystepowanie wad zgryzu u dzieci w wieku przedszkolnym z okregu Bełchatowskiego.