Authors: T Tanabe; H Takeshima; A Mikami; V Flockerzi; H Takahashi; K Kangawa; M Kojima; H Matsuo; T Hirose; S Numa Journal: Nature Date: 1987 Jul 23-29 Impact factor: 49.962
Authors: S B Ellis; M E Williams; N R Ways; R Brenner; A H Sharp; A T Leung; K P Campbell; E McKenna; W J Koch; A Hui; A Schwartz; M M Harpold Journal: Science Date: 1988-09-23 Impact factor: 47.728