@misc{indiciaeb702b4658da3, title = {Roentgenographic periodontal indicator paste.}, author = {J F KRATOCHVIL and R W LONGTON}, year = {1961}, doi = {10.14219/jada.archive.1961.0139}, url = {https://pubmed.ncbi.nlm.nih.gov/13754035/}, note = {Source identifier: 13754035} }