ABSTRACT
Fetal Stem Cell Therapy Group, Institute of Reproductive and Developmental Biology, Imperial College London, Du Cane Road, London, W12 0NN, United Kingdom. aE-mail: Gemma.Jones08@imperial.ac.uk. bE-mail: Pascale.Guillot@imperial.ac.uk. *Corresponding author
List of abbreviations given at the end of the text.
