TY  - RPRT
TI  - Dental polymers.
AU  - B D Halpern
PY  - 1968
DO  - 10.1111/j.1749-6632.1968.tb20275.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5238625/
ID  - 5238625
ER  -