“Vertebrobasilar Insufficiency Evaluation the Effect on Blood Flow of Gingko biloba Extracts with Transcranial Doppler in ”, Ann Med Res , vol. 10, no. 2, pp. 0063–0066, May 2021, Accessed: Oct. 14, 2025. [Online]. Available: http://annalsmedres.org/index.php/aomr/article/view/2964