TY  - RPRT
TI  - Factors (aging) affecting bone and cementum.
AU  - E A Tonna
PY  - 1976
DO  - 10.1902/jop.1976.47.5.267
UR  - https://pubmed.ncbi.nlm.nih.gov/1063863/
ID  - 1063863
ER  -