Authors: J W Newburger; M Takahashi; A S Beiser; J C Burns; J Bastian; K J Chung; S D Colan; C E Duffy; D R Fulton; M P Glode Journal: N Engl J Med Date: 1991-06-06 Impact factor: 91.245
Authors: P Imbach; S Barandun; V d'Apuzzo; C Baumgartner; A Hirt; A Morell; E Rossi; M Schöni; M Vest; H P Wagner Journal: Lancet Date: 1981-06-06 Impact factor: 79.321