TY  - RPRT
TI  - [A stereoscopic operation microscope for vitreoretinal surgery].
AU  - W Lotmar
AU  - F Fankhauser
PY  - 1969
DO  - 10.1007/bf00431627
UR  - https://pubmed.ncbi.nlm.nih.gov/5305736/
ID  - 5305736
ER  -