Thumann, Gabriele, et al. “Tolbutamide Eye Drops Increase Aqueous Humor Outflow and Lower Intraocular Pressure: A Proof of Concept for Glaucoma Treatment”. Journal of Ophthalmology and Research, vol. 4, no. 2, Apr. 2021, pp. 114-27, https://fortunejournals.org/ojs/index.php/jor/article/view/17399.