@misc{indiciae3c4e5af5adfe, title = {Ionomer-based bone substitute in otologic surgery.}, author = {G Geyer and J Helms}, year = {1993}, doi = {10.1007/bf00186221}, url = {https://pubmed.ncbi.nlm.nih.gov/8217125/}, note = {Source identifier: 8217125} }