KHALID , M; ASHFAQ , MA; OBAID , A; JAVED , HM; IQBAL , A; BUTT , MR. EFFECTIVENESS OF 25G COMPARED TO 27G QUINCKE SPINAL NEEDLE IN REGARD OF POST-DURAL PUNCTURE HEADACHE IN OBSTETRICS PATIENTS UNDERGOING SPINAL ANESTHESIA. Biological and Clinical Sciences Research Journal, [S. l.], v. 2023, n. 1, p. 359, 2023. DOI: 10.54112/bcsrj.v2023i1.359. Disponível em: https://www.bcsrj.com/ojs/index.php/bcsrj/article/view/359. Acesso em: 26 mar. 2026.