TY  - RPRT
TI  - [Anchoring problems with fixed and removable appliances: introductory comments].
AU  - G Korkhaus
PY  - 1966
DO  - 10.1007/bf02198455
UR  - https://pubmed.ncbi.nlm.nih.gov/5234468/
ID  - 5234468
ER  -