Authors: C Sturchler-Pierrat; D Abramowski; M Duke; K H Wiederhold; C Mistl; S Rothacher; B Ledermann; K Bürki; P Frey; P A Paganetti; C Waridel; M E Calhoun; M Jucker; A Probst; M Staufenbiel; B Sommer Journal: Proc Natl Acad Sci U S A Date: 1997-11-25 Impact factor: 11.205