Rockville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Center for Devices and Radiological Health ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., [1987]
Rockville, MD (5600 Fishers Lane, Rockville 20857) : U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse, Office of Science Policy and Communications, Public Information Branch, [1997]
