Authors: W Krivit; E Shapiro; W Kennedy; M Lipton; L Lockman; S Smith; C G Summers; D A Wenger; M Y Tsai; N K Ramsay Journal: N Engl J Med Date: 1990-01-04 Impact factor: 91.245
Authors: T Ohashi; S Boggs; P Robbins; A Bahnson; K Patrene; F S Wei; J F Wei; J Li; L Lucht; Y Fei Journal: Proc Natl Acad Sci U S A Date: 1992-12-01 Impact factor: 11.205