@misc{indiciae09ec850b19f9, title = {[Chronic apical periodontitis].}, author = {W R Moorer and S K Thoden van Velzen and P R Wesselink and J M Genet and H W Kersten}, year = {1980}, url = {https://pubmed.ncbi.nlm.nih.gov/7008097/}, note = {Source identifier: 7008097} }