Evolution of managed health care.
Dorsey
J L
JL
Harvard Pilgrim Health Care, USA.
D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration* / Q000639:trends; D008404:Massachusetts; D017057:Medically Uninsured; D010043:Outcome and Process Assessment, Health Care; D011785:Quality Assurance, Health Care; D014481:United States