BHATTY, Qaim Ali; TARIQ, Waqas; RAZA, Muhammad Ahmed; HAFIZ, Amran; RIAZ, Muhammad Mohsin; BEG, Mirza Hamid. Ultrasound Assisted versus Landmark Guided Spinal Anesthesia in Patients with  Abnormal Spinal Anatomy. Pakistan Armed Forces Medical Journal, [S. l.], v. 75, n. 1, p. 21–24, 2025. DOI: 10.51253/pafmj.v75i1.8885. Disponível em: https://pafmj.org/PAFMJ/article/view/8885.. Acesso em: 16 apr. 2025.