@misc{indiciae61f9b1e4b7c9, title = {Guided tissue regeneration with different materials.}, author = {P Cortellini and G Pini Prato and C Baldi and C Clauser}, year = {1990}, url = {https://pubmed.ncbi.nlm.nih.gov/2084057/}, note = {Source identifier: 2084057} }