TY  - RPRT
TI  - Implants in relation to natural teeth.
AU  - B Klinge
PY  - 1991
DO  - 10.1111/j.1600-051x.1991.tb02320.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1890232/
ID  - 1890232
ER  -