Authors: H H Schmidt; J S Pollock; M Nakane; L D Gorsky; U Förstermann; F Murad Journal: Proc Natl Acad Sci U S A Date: 1991-01-15 Impact factor: 11.205
Authors: J P Cobb; C Natanson; W D Hoffman; R F Lodato; S Banks; C A Koev; M A Solomon; R J Elin; J M Hosseini; R L Danner Journal: J Exp Med Date: 1992-10-01 Impact factor: 14.307