Section, act June 14, 1930, ch. 488, § 4(b), (c), 46 Stat. 587; 1939 Reorg. Plan No. I, §§ 201, 205, eff. July 1, 1939, 4 F.R. 2728, 53 Stat. 1424, related to studies and investigations by Surgeon General of the Public Health Service. See section 242 of Title 42, The Public Health and Welfare.

Title XIII, § 1313, formerly title VI, § 611, of act July 1, 1944, which repealed these sections, was renumbered title VII, § 711, by act Aug. 13, 1946, ch. 958, § 5, 60 Stat. 1049; § 713, by act Feb. 28, 1948, ch. 83, § 9(b), 62 Stat. 47; title VIII, § 813, by act July 30, 1956, ch. 779, § 3(b), 70 Stat. 721; title IX, § 913, by Pub. L. 88–581, § 4(b), Sept. 4, 1964, 78 Stat. 919; title X, § 1013, by Pub. L. 89–239, § 3(b), Oct. 6, 1965, 79 Stat. 931; title XI, § 1113, by Pub. L. 91–572, § 6(b), Dec. 24, 1970, 84 Stat. 1506; title XII, § 1213, by Pub. L. 92–294, § 3(b), May 16, 1972, 86 Stat. 137; title XIII, § 1313, by Pub. L. 93–154, § 2(b)(2), Nov. 16, 1973, 87 Stat. 604, and was repealed by Pub. L. 93–222, § 7(b), Dec. 29, 1973, 87 Stat. 936.