title: HMOs: a look back, a look ahead.
abstract: It is now eight years since federal legislation recognized HMOs/The author overviews progress in that period, describes present challenges, and looks to the future.
mesh_terms: D006076:Government; D006279:Health Maintenance Organizations / Q000331:legislation & jurisprudence / Q000639:trends*; D011057:Politics; D011640:Public Policy; D014481:United States