[Rockville, Md?] : U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, 1981. Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O.
Animal drugs, feeds, & related products, March 1936-March 1978
Note
Cover title : Animal drugs, feeds, & related products, March 1936-March 1978. "Will be updated annually with a cumulative pocket supplement corresponding to the April 1 revision date of 21 CFR Chapter I"--P. iii. "Containing a redesignation table for Parts 500-599"--Cover. S/N 017-015-00183-1. Item 478.