TY  - RPRT
TI  - A four-rooted primary upper second molar.
AU  - C Kavanagh
AU  - V R O'Sullivan
PY  - 1998
DO  - 10.1046/j.1365-263x.1998.00093.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9927930/
ID  - 9927930
ER  -