TY - GEN AU - Osama Mohamed Sayed Goda AU - Ahmed Helmy , AU - Mohamed Hosni Moustafa , AU - Mohamed Sherien , TI - Features , of healing events in periodontal defects after guided tissue regeneration treatment / PY - 2000/// CY - Cairo : PB - Osama Mohamed Sayed Goda , KW - Features KW - Guided tissue regeneration KW - Periodontal defects N1 - Thesis (PH.D.) - Cairo University - Faculty Of Oral and Dental Medicine - Department Of Periodontology UR - http://172.23.153.220/th.pdf ER -