title: Syntax of preschool fluent and disfluent speech: a transformational analysis.
mesh_terms: D002675:Child, Preschool; D004522:Educational Status; D006801:Humans; D007360:Intelligence; D008037:Linguistics; D009790:Occupations; D044469:Racial Groups; D012737:Sex Factors; D012923:Social Class; D013060:Speech; D013064:Speech Disorders; D013342:Stuttering