TY  - RPRT
TI  - Multifocal and bifocal implants.
AU  - R L Lindstrom
PY  - 1993
DO  - 10.1097/00055735-199302000-00002
UR  - https://pubmed.ncbi.nlm.nih.gov/10148288/
ID  - 10148288
ER  -