?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Lambiase&rft.aufirst=PD&rft.au=Lambiase%2C+PD&rft.atitle=Circulating+humoral+factors+and+endothelial+progenitor+cells+in+patients+with+differing+coronary+collateral+support&rft.volume=109&rft.date=22+June+2004&rft.issue=24&rft.pages=2986+-+2992&rft.issn=0009-7322&rft.title=CIRCULATION&rft.genre=article