Authors: LORENZONI M PERTL C KEIL C WEGSCHEIDER WA

Citation: M. Lorenzoni et al., TREATMENT OF PERI-IMPLANT DEFECTS WITH GUIDED BONE REGENERATION - A COMPARATIVE CLINICAL-STUDY WITH VARIOUS MEMBRANES AND BONE-GRAFTS, The International journal of oral and maxillofacial implants, 13(5), 1998, pp. 639-646