Authors: J Pritchard; E Kiely; D W Rogers; L Spitz; E A Shafford; R Brereton; C Muller; V M Wright Journal: N Engl J Med Date: 1987-10-15 Impact factor: 91.245
Authors: T Sawada; M Hirayama; T Nakata; T Takeda; N Takasugi; T Mori; K Maeda; R Koide; Y Hanawa; A Tsunoda Journal: Lancet Date: 1984-08-04 Impact factor: 79.321