TY  - RPRT
TI  - A two-stage impression technique for distal-extension removable partial dentures.
AU  - R von Krammer
PY  - 1988
DO  - 10.1016/0022-3913(88)90316-2
UR  - https://pubmed.ncbi.nlm.nih.gov/3050037/
ID  - 3050037
ER  -