| http://www.w3.org/ns/prov#value | - John E Wennberg at Dartmouth, New Hampshire, showed that apparently similar groups of people in Vermont and Maine were treated for conditions such as enlargement of the prostate, carotid stenosis and coronary artery disease at widely varying rates, and even when far more operations were done there seemed to be no apparent difference in the outcome for the patient.29 Similar variations were found i
|
