Authors: Marianne M Martinic; Thomas Rülicke; Alana Althage; Bernhard Odermatt; Matthias Höchli; Alain Lamarre; Tilman Dumrese; Daniel E Speiser; Diego Kyburz; Hans Hengartner; Rolf M Zinkernagel Journal: Proc Natl Acad Sci U S A Date: 2003-02-06 Impact factor: 11.205