Authors: Ewald T J van den Bremer; Anthony H Keeble; Wim Jiskoot; Robin E J Spelbrink; Claudia S Maier; Arie van Hoek; Antonie J W G Visser; Richard James; Geoffrey R Moore; Colin Kleanthous; Albert J R Heck Journal: Protein Sci Date: 2004-05 Impact factor: 6.725