Authors: K A Bojang; P J Milligan; M Pinder; L Vigneron; A Alloueche; K E Kester; W R Ballou; D J Conway; W H Reece; P Gothard; L Yamuah; M Delchambre; G Voss; B M Greenwood; A Hill; K P McAdam; N Tornieporth; J D Cohen; T Doherty Journal: Lancet Date: 2001-12-08 Impact factor: 79.321