Institution: | 1.Department of Comparative Biomedical Sciences, Royal Veterinary College, London, NW1 0TU, UK ;3.Sanford Burnham Prebys Medical Discovery Institute, La Jolla, USA ;4.Department of Cell and Developmental Biology, University College London, London, UK ;5.The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Edinburgh, UK ; |