National HMO census of prepaid plans.
- Rockville, Md. : U.S. Dept. of Health, Education and Welfare, Public Health Service, [Office of Health Maintenance Organizations] Division of Program Promotion ; Washington : For sale by the Supt. of Docs., U.S.G.P.O.
- Government document
3 v. : ill. ; 28 cm.
Began with 1978; ceased with 1980.
- DHEW publication; no. (PHS)
DHHS publication. no. (PHS)
-1979, DHEW publication ; no. (PHS)