@misc{indiciae80e2cf5a8a5f, title = {Structural changes in exposed human cementum. II. Electron microscopic observations.}, author = {G C Armitage and T M Christie}, year = {1973}, doi = {10.1111/j.1600-0765.1973.tb00769.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4128640/}, note = {Source identifier: 4128640} }