Hiền, V.T.T. and Chính, L.Q. 2022. Predictive validity of the world federation of neurosurgical societies (wfns) grading scale for the poor outcome after aneurysmal subarachnoid hemorrhage. Journal of Medical Research. 149, 1 (Feb. 2022), 135-142. DOI:https://doi.org/10.52852/tcncyh.v149i1.516.