title: Effect of the type of exercise upon the work of the heart in older men.
mesh_terms: D000368:Aged; D001794:Blood Pressure; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D005082:Physical Exertion; D012119:Respiration