TY  - RPRT
TI  - Apicoectomy.-Why?
AU  - J R Herd
PY  - 1968
DO  - 10.1111/j.1834-7819.1968.tb02233.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5239078/
ID  - 5239078
ER  -