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Sambursky, Robert; Davitt, William F.; Latkany, Robert; Tauber, Shachar; Starr, Christopher; Friedberg, Murray; Dirks, Monte S.; McDonald, Marguerite . (2013). Sensitivity and Specificity of a Point-of-Care Matrix Metalloproteinase 9 Immunoassay for Diagnosing Inflammation Related to Dry Eye. JAMA Ophthalmology, 131(1), 24–. doi:10.1001/jamaophthalmol.2013.561 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research