“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 May 10, 2025. http://www.annalsmedres.org/index.php/aomr/article/view/2964.