TY  - RPRT
TI  - Orthodontic external root resorption--endodontic considerations.
AU  - G D Mattison
AU  - L R Gholston
AU  - P Boyd
PY  - 1983
UR  - https://pubmed.ncbi.nlm.nih.gov/6579179/
ID  - 6579179
ER  -