Kizkin, S., A. Ilhan, H. Isin Ozisik, and C. Ozcan. “Vertebrobasilar Insufficiency Evaluation the Effect on Blood Flow of Gingko Biloba Extracts With Transcranial Doppler in”. Annals of Medical Research, vol. 10, no. 2, May 2021, pp. 0063-6, http://annalsmedres.org/index.php/aomr/article/view/2964.