Authors: J N Cohn; T B Levine; M T Olivari; V Garberg; D Lura; G S Francis; A B Simon; T Rector Journal: N Engl J Med Date: 1984-09-27 Impact factor: 91.245
Authors: G D Dunn; M J Brown; R N Sapsford; A O Mansfield; A P Hemingway; P S Sever; D J Allison Journal: Lancet Date: 1986-05-10 Impact factor: 79.321