TY  - GEN
AU  - Lehmann,G D
TI  - Cataract extraction--an improved technique
SN  - 0007-1161
PY  - 1990///0523
KW  - Cataract Extraction
KW  - instrumentation
KW  - Humans
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1136/bjo.50.2.105
ER  -