@misc{indiciaedff0f4853011, title = {Root canal retained restorations: 2. Prefabricated post and core systems--(I) Non-threaded posts.}, author = {P M Dummer and D H Edmunds}, year = {1990}, url = {https://pubmed.ncbi.nlm.nih.gov/2079160/}, note = {Source identifier: 2079160} }