View all text of Part B [§ 284 - § 284s]
§ 284d. Definitions
(a) Health service research
(b) Clinical research
(July 1, 1944, ch. 373, title IV, § 409, as added Pub. L. 102–321, title I, § 121(b), July 10, 1992, 106 Stat. 358; amended Pub. L. 103–43, title XX, § 2016(a), June 10, 1993, 107 Stat. 218; Pub. L. 106–505, title II, § 206, Nov. 13, 2000, 114 Stat. 2329.)