Commentary.
D003327:Coronary Disease / Q000503:physiopathology; D004039:Diet, Sodium-Restricted; D005500:Follow-Up Studies; D006801:Humans; D006973:Hypertension / Q000175:diagnosis / Q000188:drug therapy / Q000628:therapy*; D009786:Occupational Health Services; D011315:Preventive Medicine; D011634:Public Health