TY  - RPRT
TI  - A practical irreversible hydrocolloid impression tray holder.
AU  - R A Walters
PY  - 1990
DO  - 10.1016/0022-3913(90)90140-8
UR  - https://pubmed.ncbi.nlm.nih.gov/2090826/
ID  - 2090826
ER  -