Authors: P Parham; C E Lomen; D A Lawlor; J P Ways; N Holmes; H L Coppin; R D Salter; A M Wan; P D Ennis Journal: Proc Natl Acad Sci U S A Date: 1988-06 Impact factor: 11.205
Authors: H Takahashi; R Houghten; S D Putney; D H Margulies; B Moss; R N Germain; J A Berzofsky Journal: J Exp Med Date: 1989-12-01 Impact factor: 14.307