http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Comparative effectiveness of multifocal, accommodative, and monofocal intraocular lenses for cataract surgery and lens replacement
Health Services Research and Development Service,
1 online resource (iv, 60 pages) : illustrations.
Evidence-based synthesis program (Series)