Urbán István; Lozada Jaime L.; Nagy Katalin; Sanz Mariano: Treatment of severe mucogingival defects with a combination of strip gingival grafts and a xenogeneic collagen matrix: a prospective case series study.
INTERNATIONAL JOURNAL OF PERIODONTICS & RESTORATIVE DENTISTRY, 35 (3). pp. 345-353. ISSN 0198-7569 (2015)