TY  - RPRT
TI  - PROGRESSIVE IDIOPATHIC ROOT RESORPTION.
AU  - R L SACHS
PY  - 1964
DO  - 10.1016/0030-4220(64)90527-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14144176/
ID  - 14144176
ER  -