United States Code Title 21 — Food and Drugs § 333a. Repealed. Pub. L. 101–647, title XIX, § 1905, Nov. 29, 1990, 104 Stat. 4853 § 333a. Repealed. Pub. L. 101–647, title XIX, § 1905, Nov. 29, 1990, 104 Stat. 4853