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Journal Details
- Print ISSN: 0161-6420
- Electronic ISSN: 1549-4713
- URL: http://www.sciencedirect.com/science/journal/01616420
- Publisher: Sciencedirect
- Impact factor: 04.621
- Usage rank: 503
- Article count: 12,363
- Free percentage: 0.542%
- Free count: 67
- Latest issue: Ophthalmology
- PDFs via platforms: Sciencedirect, Ingenta, CSA, Gale, Proquest, and Rcgp