[Statistical study on speech defects and dental-jaw deformities].
D002031:Bulgaria; D002648:Child; D003753:Dental Health Surveys; D006801:Humans; D008310:Malocclusion / Q000150:complications*; D013064:Speech Disorders / Q000453:epidemiology* / Q000209:etiology*
Statistichesko prouchvane vurkhu govornite defekti i zubno-cheliustnite deformatsii.