TY  - RPRT
TI  - Measuring mandibular vertical bone resorption by radiographic cephalometry.
AU  - P G Vierheller
AU  - W H Speiser
AU  - A F al-Rahmani
PY  - 1971
DO  - 10.1016/0022-3913(71)90027-8
UR  - https://pubmed.ncbi.nlm.nih.gov/5281470/
ID  - 5281470
ER  -