Kizkin, Sibel, Atilla Ilhan, Handan Isin Ozisik, and Cemal Ozcan. “Vertebrobasilar Insufficiency Evaluation the Effect on Blood Flow of Gingko Biloba Extracts With Transcranial Doppler in”. Annals of Medical Research 10, no. 2 (May 25, 2021): 0063–0066. Accessed July 3, 2024. http://annalsmedres.org/index.php/aomr/article/view/2964.