title: Phonemic variability in apraxia of speech.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001037:Aphasia / Q000175:diagnosis*; D001307:Auditory Perception; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013060:Speech; D013064:Speech Disorders / Q000175:diagnosis*; D014796:Visual Perception