TY  - RPRT
TI  - A new operating microscope with increased illumination efficiency and a stereoscopic assistant viewer..
AU  - G A Peyman
AU  - D R Sanders
AU  - J Koziol
AU  - W Fried
PY  - 1977
UR  - https://pubmed.ncbi.nlm.nih.gov/600489/
ID  - 600489
ER  -