Title: National HMO census of prepaid plans.
Authors: United States.
Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Service [Office of Health Maintenance Organizations] Division of Program Promotion ; For sale by the Supt. of Docs., U.S. G.P.O.,
Year: 1981
Subjects: Health Maintenance Organizations; Health maintenance organizations United States Statistics Periodicals.; United States