Authors: J Kang; H G Lemaire; A Unterbeck; J M Salbaum; C L Masters; K H Grzeschik; G Multhaup; K Beyreuther; B Müller-Hill Journal: Nature Date: 1987 Feb 19-25 Impact factor: 49.962
Authors: P Ponte; P Gonzalez-DeWhitt; J Schilling; J Miller; D Hsu; B Greenberg; K Davis; W Wallace; I Lieberburg; F Fuller Journal: Nature Date: 1988-02-11 Impact factor: 49.962