Authors: A E Ades; S Parker; T Berry; F J Holland; C F Davison; D Cubitt; M Hjelm; A H Wilcox; C N Hudson; M Briggs Journal: Lancet Date: 1991-06-29 Impact factor: 79.321
Authors: A M Johnson; J Wadsworth; P Elliott; L Prior; P Wallace; S Blower; N L Webb; G I Heald; D L Miller; M W Adler Journal: AIDS Date: 1989-03 Impact factor: 4.177