TY  - RPRT
TI  - Maxillary first premolars with three root canals: case report.
AU  - E I Zaatar
AU  - M A al-Busairi
AU  - M J Behbahani
PY  - 1990
UR  - https://pubmed.ncbi.nlm.nih.gov/2082417/
ID  - 2082417
ER  -