Authors: P M Smythe; G G Brereton-Stiles; H J Grace; A Mafoyane; M Schonland; H M Coovadia; W E Loening; M A Parent; G H Vos Journal: Lancet Date: 1971-10-30 Impact factor: 79.321
Authors: H Valentin; O Azocar; B Horvat; R Williems; R Garrone; A Evlashev; M L Toribio; C Rabourdin-Combe Journal: J Virol Date: 1999-03 Impact factor: 5.103