Journal article (1998) - KJ Weissman (author), M Bycroft (author), PF Leadlay (author), AL Cutter (author), Ulf Hanefeld (author), U. Hanefeld (author), EJ Frost (author), MC Timoney (author), RC Harris (author), S Handa (author), M Roddis (author), J Staunton (author)