More than provider specialty.
Herman
W H
WH
D000368:Aged; D003920:Diabetes Mellitus; D006285:Health Planning; D006299:Health Services for the Aged / Q000592:standards*; D006801:Humans; D006278:Medicare; D008511:Medicine; D010818:Practice Patterns, Physicians'; D011787:Quality of Health Care; D013038:Specialization; D014481:United States