Correction to: Landmark-guided versus modified ultrasound-assisted Paramedian techniques in combined spinal-epidural anesthesia for elderly patients with hip fractures: a randomized controlled trial
BMC Anesthesiol. 2020 Oct 23;20(1):268.
doi: 10.1186/s12871-020-01183-8.
1 Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China.
2 Department of Anesthesiology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China.
3 Department of Anesthesiology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, Guangdong, China. liliuyuhui@126.com.