?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=A.&rft.au=Abeyewickreme%2C+A.&rft.aulast=Abeyewickreme&rft.tpages=304&rft.title=The+effect+of+bone+morphogenetic+protein+4+on+haematopoietic+stem+cells&rft.date=October+2009&rft.degree=Doctoral&rft.inst=UCL+(University+College+London)