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Srivastav, K., Saxena, S., Mahdi, A., Kruzliak, P., & Khanna, V. Increased serum urea and creatinine levels correlate with decreased retinal nerve fibre layer thickness in diabetic retinopathy. Biomarkers : Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals, 20(6-7), 470-3. https://doi.org/10.3109/1354750X.2015.1094142 (Original work published 2015)

Sharma, S., Saxena, S., Srivastav, K., Shukla, R., Mishra, N., Meyer, C., … Khanna, V. (2015). Nitric oxide and oxidative stress is associated with severity of diabetic retinopathy and retinal structural alterations. Clinical & Experimental Ophthalmology, 43(5), 429-36. https://doi.org/10.1111/ceo.12506

Saxena, S., Srivastav, K., Cheung, C., Ng, J., & Lai, T. Photoreceptor inner segment ellipsoid band integrity on spectral domain optical coherence tomography. Clinical Ophthalmology (Auckland, N.Z.), 8, 2507-22. https://doi.org/10.2147/OPTH.S72132 (Original work published 2014)