[Bethesda, Md.] : U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute of General Medical Sciences, [2006 printing]
Mode of access: Internet from the NIGMS web site. Address as of 6/11/07: http://publications.nigms.nih.gov/medbydesign/medbydesign.pdf; current access available via PURL.