| Type |  Book |
| ชื่อเรื่อง | Code of federal regulations : title 21-food and drugs containing a codification of documents of general applicability and future effect as of April 1, 1992 / The Office of the Federal Register National Archives and Records Administration |
| พิมพลักษณ์ | Washington D.C. : U.S. Government Printing Office, 1992 |
| รูปเล่ม | ix, 1001 p |
| หัวเรื่อง | DRUGS --UNITED STATES [] |
| | FOOD --UNITED STATES [] |
| | UNITED STATES FOOD AND DRUG ADMINISTRATION |