Bhatty QA, Tariq W, raza MA, hafiz A, Riaz MM, Beg MH. Ultrasound Assisted versus Landmark Guided Spinal Anesthesia in Patients with  Abnormal Spinal Anatomy. Pak Armed Forces Med J [Internet]. 2025 Feb. 28 [cited 2025 Apr. 16];75(1):21-4. Available from: https://pafmj.org/PAFMJ/article/view/8885