TY  - RPRT
TI  - Assessing effective obturation.
AU  - R M Watson
AU  - B J Gray
PY  - 1985
DO  - 10.1016/s0022-3913(85)80077-9
UR  - https://pubmed.ncbi.nlm.nih.gov/3860661/
ID  - 3860661
ER  -