Dernek B, Aydoğmuş S, Ulusoy İ, Duymuş TM, Ersoy S, Kesiktaş FN, et al. (2022). „Caudal epidural steroid injection for chronic low back pain: A prospective analysis of 107 patients”. Journal of Back and Musculoskeletal Rehabilitation. 35 (1): 135—139. doi:10.3233/BMR-200262.
Lin Z, Fang Y, Yan L, Lin Y, Liu M, Zhang B, et al. (август 2021). „General versus general anaesthesia combined with caudal block in laparoscopic-assisted Soave pull-through of Hirschsprung disease: a retrospective study”. BMC Anesthesiology. 21 (1): 209. doi:10.1186/s12871-021-01431-5.CS1 одржавање: Формат датума (веза)