Authors: K E Fry; A W Tam; M M Smith; J P Kim; K C Luk; L M Young; M Piatak; R A Feldman; K Y Yun; M A Purdy Journal: Virus Genes Date: 1992-04 Impact factor: 2.332
Authors: A Mele; L Sagliocca; G Manzillo; F Converti; P Amoroso; M A Stazi; L Ferrigno; M Rapicetta; E Franco; B Adamo Journal: Am J Public Health Date: 1994-10 Impact factor: 9.308