Authors: J Sunyer; C Mendendez; P J Ventura; J J Aponte; D Schellenberg; E Kahigwa; C Acosta; J M Antó; P L Alonso Journal: Thorax Date: 2001-04 Impact factor: 9.139
Authors: M Eckwalanga; M Marussig; M D Tavares; J C Bouanga; E Hulier; J H Pavlovitch; P Minoprio; D Portnoï; L Rénia; D Mazier Journal: Proc Natl Acad Sci U S A Date: 1994-08-16 Impact factor: 11.205