TY  - RPRT
TI  - Multiple canals in a mandibular first premolar. Case report.
AU  - Z P Yang
PY  - 1994
DO  - 10.1111/j.1834-7819.1994.tb05540.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8185534/
ID  - 8185534
ER  -