Authors: K Kiyosawa; T Sodeyama; E Tanaka; Y Nakano; S Furuta; K Nishioka; R H Purcell; H J Alter Journal: Ann Intern Med Date: 1991-09-01 Impact factor: 25.391
Authors: D M Cardo; D H Culver; C A Ciesielski; P U Srivastava; R Marcus; D Abiteboul; J Heptonstall; G Ippolito; F Lot; P S McKibben; D M Bell Journal: N Engl J Med Date: 1997-11-20 Impact factor: 91.245