Complex sentence: Using the science of Applied behavior analysis (ABA), the technique is carried out early in the development of autistic and developmentally-delayed children, and is the only therapy to have gone under approval by the United States Surgeon General's office in 1999.
Split into simpler sentences: Using the science of Applied behavior analysis (ABA), the technique is carried out early in the development of children with autism and children with developmental-delays. It is the only therapy to have gone under approval by the United States Surgeon General's office in 1999.