GHAA's National directory of HMOs.
- Publisher: Group Health Association of America
- Print ISSN: 0897-3059
- Electronic ISSN:
- OCLC Number: 13179121
- Subject: Health maintenance organizations Directories.
- Subject code: R
- Publication history: 1986-
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1989 | permanent |