Authors: J A Wolff; J K Yee; H F Skelly; J C Moores; J G Respess; T Friedmann; H Leffert Journal: Proc Natl Acad Sci U S A Date: 1987-05 Impact factor: 11.205
Authors: H Peng; D Armentano; L MacKenzie-Graham; R F Shen; G Darlington; F D Ledley; S L Woo Journal: Proc Natl Acad Sci U S A Date: 1988-11 Impact factor: 11.205