Authors: B Vicandi; J A Jiménez-Heffernan; P López-Ferrer; M Patrón; C Gamallo; C Colmenero; J M Viguer Journal: Acta Cytol Date: 1999 Mar-Apr Impact factor: 2.319
Authors: D E Craven; R A Duncan; J R Stram; C J O'Hara; K A Steger; K Jhamb; L R Hirschhorn Journal: Ann Intern Med Date: 1998-03-15 Impact factor: 25.391