Chen, D., Yin, Y., Shi, J., Ma, X., Shi, H., Huang, F., Qiu, F. and Tang, Y. 2023. A randomized, double-blind, placebo-controlled, multicenter trial- DL-3-n-butylphthalide therapy for cerebral hypoperfusion from unilateral internal carotid system stenosis study: study protocol. International Journal of Clinical Trials. 10, 1 (Jan. 2023), 66–72. DOI:https://doi.org/10.18203/2349-3259.ijct20230052.