Authors: T M Ball; J A Castro-Rodriguez; K A Griffith; C J Holberg; F D Martinez; A L Wright Journal: N Engl J Med Date: 2000-08-24 Impact factor: 91.245
Authors: R M Greer; P McErlean; K E Arden; C E Faux; A Nitsche; S B Lambert; M D Nissen; T P Sloots; I M Mackay Journal: J Clin Virol Date: 2009-04-18 Impact factor: 3.168