TY  - RPRT
TI  - The porcelain butt margin with hydrocolloid impression technique.
AU  - S K Rhodes
PY  - 1988
DO  - 10.1016/0022-3913(88)90034-0
UR  - https://pubmed.ncbi.nlm.nih.gov/3283326/
ID  - 3283326
ER  -