TY  - RPRT
TI  - Guided tissue regeneration with different materials.
AU  - P Cortellini
AU  - G Pini Prato
AU  - C Baldi
AU  - C Clauser
PY  - 1990
UR  - https://pubmed.ncbi.nlm.nih.gov/2084057/
ID  - 2084057
ER  -