MEHMOOD, Tariq; KHAN, Rao Ali Shan; QARNI, Muhammad Awais; KHALID, Usman; IFTIKHAR, Hina. Theophylline versus NSAID in the Treatment of Postdural Puncture  Headache in Obstetric Patients. Pakistan Armed Forces Medical Journal, [S. l.], v. 74, n. 3, p. 808–811, 2024. DOI: 10.51253/pafmj.v74i3.7837. Disponível em: https://www.pafmj.org/PAFMJ/article/view/7837. Acesso em: 16 sep. 2025.