?url_ver=Z39.88-2004&rft_id=MTMT%3A1394487&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Olaf&rft.au=+Rodriguez+Olaf&rft.aulast=Rodriguez&rft.pages=451-454&rft.issue=5&rft.issn=0393-1978&rft.date=1999&rft.volume=44&rft.atitle=The+impact+of+second+harmonic+imaging+on+stress+echocardiography+reading&rft.title=CARDIOLOGIA+(ROME)&rft.genre=article