TY  - RPRT
TI  - Matrices for amalgam restorations.
AU  - P J Cunningham
PY  - 1968
DO  - 10.1111/j.1834-7819.1968.tb02252.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5240653/
ID  - 5240653
ER  -