Authors: B A Keyt; N F Paoni; C J Refino; L Berleau; H Nguyen; A Chow; J Lai; L Peña; C Pater; J Ogez Journal: Proc Natl Acad Sci U S A Date: 1994-04-26 Impact factor: 11.205
Authors: J Mottonen; A Strand; J Symersky; R M Sweet; D E Danley; K F Geoghegan; R D Gerard; E J Goldsmith Journal: Nature Date: 1992-01-16 Impact factor: 49.962