Khawaja SS, Rafiq MY, Rafi H, Ali S, Sufyan A. TRANSNASAL SPHENOPALATINE GANGLION BLOCK, AN INNOVATIVE MODALITY FOR TREATMENT OF POST DURAL PUNCTURAL HEADACHE. Pak Armed Forces Med J [Internet]. 2019 Apr. 19 [cited 2024 Nov. 9];69(2):403-07. Available from: https://pafmj.org/PAFMJ/article/view/2763