Li, Xinyang, and Jing Lu. 2025. “To Study the ED50 Value of Ropivacaine for Unilateral Spinal Anesthesia in Elderly Patients With Different Heights Undergoing Total Knee Arthroplasty”. Molecular & Cellular Biomechanics 22 (4), 1604. https://doi.org/10.62617/mcb1604.