Dummy- and finger-sucking habits in 4-year-olds.
D001942:Breast Feeding; D002652:Child Behavior; D002675:Child, Preschool; D005260:Female; D005386:Fingersucking / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008310:Malocclusion; D012424:Rural Population; D012737:Sex Factors; D014505:Urban Population