The Lancet is a world-leading source of clinical, public health, and global health knowledge. The journal has an Impact Factor of 168·9 (2022 Journal Citation Reports®, Clarivate 2023) and ranks first among 167 general and internal medicine journals globally, and a Scopus CiteScore of 133·2—ranking second among 830 general medicine journals.

Also issued online.

Microfilm. v. 1 (1823)-2 (1824), v. 5 (1824)-12 (1827), v. 1, no. 214 (1827)-v. 2, no. 680 (1836), v. 1, no. 682 (1836)-1, no. 1072 (1844), v. 1, no. 1114 (1845)-2, no. 1895 (1859), v. 1, no. 3149-3177 (1884), v. 1, no. 4036-4087 (1901), v. 2, no. 4270-4296 (1905), v. 2, no. 4375-4400 (1907), v. 1, no. 4558-4582 (1911), v. 2, no. 4688 (1913)-2, no. 4922 (1917), v. 1 (1914)-v. 2 (1915), v. 1 jan-mar (1942), v. 2, no. 7453-7464 (1966)-v. 2, no. 7466-7479 (1966), v. 1, no. 7480-7491 (1967), v. 2, no. 7505-4518 (1967)- v. 2, no. 7519-7531 (1967), v. 1, apr-jun (1968), v. 2 jul-sep (1968) [Bethesda, Md.] : National Library of Medicine, 1999. 78 microfilm reels : negative ; 35 mm.

Issued 1842-1901 also in an American ed. (called: London lancet, 1842-1892; Lancet, 1895-1897; New York lancet, 1898-1901) and in a North American ed., July 1966- .

Begininning 19??, selected articles are also published monthly in Spanish, Italian, German, and French eds.

v.2:no.449-551(1832/1833:Apr-?),v.2:no.4088-4269(1905:Sept-Oct),v.2(1914:Jul-Dec),v.2(1915:Jul-Aug),v.1(1916:Jan-Jun),v.1(1917:Jan-Jun),v.1(1966:Jan-Jun), v.1(1967:Apr-Jun),v.1(1968:Jan-Mar),v.2(1968:Oct-Dec)- Will reformat. 20050119 DNLM