Vital Signs meets Dr. Laura Ann-Petitto who has spent four decades researching speech and language. Dr. Sanjay Gupta reports.
Vital Signs meets Dr. Laura Ann-Petitto who has spent four decades researching speech and language. Dr. Sanjay Gupta reports.
Derek is a very good boy. His calm and gentle nature makes him the perfect addition to a loving home looking for a sweet and well-mannered companion
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