TY  - RPRT
TI  - Maxillary first molar with three palatal canals.
AU  - M Wong
PY  - 1991
DO  - 10.1016/s0099-2399(06)81871-6
UR  - https://pubmed.ncbi.nlm.nih.gov/1940758/
ID  - 1940758
ER  -