title: Uncomfortable issues.
authors.forename: L H
authors.initials: LH
authors.lastname: Edmunds
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D006348:Cardiac Surgical Procedures; D015331:Cohort Studies; D004992:Ethics, Medical; D006801:Humans; D012044:Regression Analysis; D012307:Risk Factors