TY  - RPRT
TI  - An inexpensive zoom double operating microscope system.
AU  - M J Thompson
AU  - C M Evans
AU  - R W Blamey
PY  - 1977
DO  - 10.1016/s0072-968x(77)80036-3
UR  - https://pubmed.ncbi.nlm.nih.gov/892628/
ID  - 892628
ER  -