Rockville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research ; [Washington, D.C.? :] : [Superintendent of Documents, U.S. Government Printing Office, distributor], [1993]
Includes bibliographical references (pages 57-65) and index.
Also available via the Internet from NIH web site. Address as of 3/15/07: http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=hstat6.chapter.16946; current access available via PURL.