TY  - RPRT
TI  - Pontic-ridge augmentation with nonresorbable hydroxylapatite: a case report.
AU  - G J Hadeed
AU  - D J Pipko
AU  - G A Catone
UR  - https://pubmed.ncbi.nlm.nih.gov/6201799/
ID  - 6201799
ER  -