Sasaki, Y [Correlation between secretion rate and electrolyte concentration of human tears, and classification of patients with decrease in basal tear secretion]. [electronic resource] - Nippon Ganka Gakkai zasshi Jan 1998 - 42-8 p. digital Publication Type: Journal Article ISSN: 0029-0203 Subjects--Topical Terms: AdultAgedDry Eye Syndromes--classificationElectrolytes--analysisHumansHydrogen-Ion ConcentrationMiddle AgedPotassium--analysisSecretory RateSodium--analysisTears--chemistry