euHCVdb: the European hepatitis C virus database. - Christophe Combet; Nicolas B. Garnier; Céline Charavay; Delphine Grando; Daniel Crisan; Julien Lopez; Alexandre Dehne-Garcia; Christophe Geourjon; Emmanuel Bettler; Chantal Hulo; Philippe Le Mercier; Ralf Bartenschlager; et al. (Nucleic Acids Res., 2007)