Pena-Verdeal, Hugo, Covadonga Vazquez-Sanchez, Jacobo Garcia-Queiruga, and Carlos Garcia-Resua. “Differences of Tear Film Osmolarity Between Two Time-Points of the Day in Healthy Subjects”. Asian Journal of Ophthalmology 17, no. 2 (April 30, 2020): 173-181. Accessed December 22, 2024. https://www.asianjo.com/index.php/AsianJO/article/view/559.