TY  - RPRT
TI  - Obtaining access for effective root canal therapy.
AU  - C E RUDOLPH
AU  - J H SNYDER
AU  - J D SHAW
PY  - 1957
DO  - 10.1016/0030-4220(57)90079-8
UR  - https://pubmed.ncbi.nlm.nih.gov/13477662/
ID  - 13477662
ER  -