TY  - RPRT
TI  - Cuspal flexure associated with amalgam restorations.
AU  - D Assif
AU  - B L Marshak
AU  - R Pilo
PY  - 1990
DO  - 10.1016/0022-3913(90)90191-e
UR  - https://pubmed.ncbi.nlm.nih.gov/2308086/
ID  - 2308086
ER  -