Authors: R J Myerburg; K M Kessler; S M Mallon; M M Cox; E deMarchena; A Interian; A Castellanos Journal: N Engl J Med Date: 1992-05-28 Impact factor: 91.245
Authors: S W Brown; G E Mawer; W Lawler; D C Taylor; S Shorvon; T A Betts; M J Noronha; A Richens; D Chadwick; F M Besag Journal: Lancet Date: 1990-03-10 Impact factor: 79.321