?url_ver=Z39.88-2004&rft_id=MTMT%3A2225098&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Tam%C3%A1s&rft.aulast=Pa%C3%A1l&rft.au=+Pa%C3%A1l+Tam%C3%A1s&rft.date=2005&rft.volume=2005&rft.title=WHO+SIGNAL&rft.atitle=Hypericum+perforatum+L.+St.+John's+worth+-+White+cell+disorders&rft.pages=4-6&rft.genre=article