TY  - BOOK
AU  - Retzlaff,John A.
AU  - Kraff,Manus C.
AU  - Sanders,Donald R.
TI  - Lens implant power calculation: A manual for ophthalmologists & biometrists 
SN  - 1-55642-186-9
PY  - 1990///
CY  - Thorofare, NJ
PB  - Slack, Inc.
KW  - Ophthalmology
KW  - Lenses, Intraocular
KW  - instrumentation
N1  - Includes bibliographical references
ER  -