title: The reliability of neuropsychologic changes after cardiac surgery and a deeper problem posed by practice effects.
authors.forename: J R
authors.initials: JR
authors.lastname: Keith
mesh_terms: D006348:Cardiac Surgical Procedures / Q000009:adverse effects*; D003072:Cognition Disorders / Q000175:diagnosis*; D006801:Humans; D011581:Psychological Tests