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2. Concentration of glucose and total chlorides in tears;Giardini, A.; Roberts, J.R.E.;Br J Ophthalmol,1950
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5. Immunoglobulins in tears of normal Indian people;Sen, D.K.; Sarin, G.S.; Mani, K.; Saha, K.;Br J Ophthalmol; Use of glucose oxidase, peroxidase, and o-dianisidine in determination of blood and urinary glucose,1976