[Washington, D.C.] : U.S. Dept. of Health and Human Services, Public Health Service, Indian Health Service, Office of Planning, Evaluation and Legislation, Division of Program Statistics, 1989-
Some v. distributed to depository libraries in microfiche.
Current v. also available via Internet from the IHS web site. Address as of 9/18/01: http://www.ihs.gov/PublicInfo/Publications/trends98/trends98.asp; current access is available via PURL.