[A study of the results of teaching the patient before open heart surgery, and comparing the different results with different ages].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D006348:Cardiac Surgical Procedures / Q000451:nursing*; D002648:Child; D002675:Child, Preschool; D005081:Exercise Therapy; D006801:Humans; D008875:Middle Aged; D010353:Patient Education as Topic