Descriptive Analysis of Blood Pressure Changes Before and After Spinal Anesthesia in Patients with Respiratory System Comorbidities at Khidmad Sehat Afiat Regional General Hospital in 2023. WSIS [Internet]. 2023 Jan. 31 [cited 2025 Dec. 6];1(01):50-3. Available from: https://wsj.westsciences.com/index.php/wsis/article/view/1586