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Determination of phosphate concentration and pH in artificial tear drops.
de Frutos-Lezaun M, Martínez-Soroa I, Ostra Beldarrain M, Egia Zurutuza A, Irastorza Larburu MB, Fernandez Iriarte A, Bachiller Cacho MP. de Frutos-Lezaun M, et al. Among authors: bachiller cacho mp. Arch Soc Esp Oftalmol. 2016 Aug;91(8):372-8. doi: 10.1016/j.oftal.2016.01.018. Epub 2016 Feb 23. Arch Soc Esp Oftalmol. 2016. PMID: 26917040 English, Spanish.