title: The morale of patients following open-heart surgery.
mesh_terms: D000328:Adult; D006348:Cardiac Surgical Procedures; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009013:Morale; D010361:Patients; D012737:Sex Factors; D012803:Sick Role