?url_ver=Z39.88-2004&rft_id=MTMT%3A2887057+10.11607%2Fprd.2287&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Urb%C3%A1n+Istv%C3%A1n&rft.aufirst=Istv%C3%A1n&rft.aulast=Urb%C3%A1n&rft.title=INTERNATIONAL+JOURNAL+OF+PERIODONTICS+%26+RESTORATIVE+DENTISTRY&rft.date=2015&rft.pages=345-353&rft.issue=3&rft.atitle=Treatment+of+severe+mucogingival+defects+with+a+combination+of+strip+gingival+grafts+and+a+xenogeneic+collagen+matrix%3A+a+prospective+case+series+study&rft.volume=35&rft.issn=0198-7569&rft.genre=article