The following publications are possibly variants of this publication:
- The new Virgil database: a service of rich linksFrédéric Achard, Christophe Cussat-Blanc, Eric Viara, Emmanuel Barillot. bioinformatics, 14(4):342-348, 1998.
- Virgil database for rich links (1999 update)Frédéric Achard, Guy Vaysseix, Philippe Dessen, Emmanuel Barillot. nar, 27(1):113-114, 1999.