Stasiak , Karol, and Grzegorz Nowicki. “Appliance of Doppler Ultrasonography in Ophthalmology”. OphthaTherapy. Therapies in Ophthalmology 1, no. 3 (September 30, 2014): 149-156. Accessed July 3, 2024. https://journalsmededu.pl/index.php/ophthatherapy/article/view/683.