TY - JOUR T1 - Anatomical differences in sacral hiatus during caudal epidural injection with ultrasonography guidance and its effects on success rate AU - Gökçek, Erhan AU - Kaydu, Ayhan Y1 - 2020 PY - 2020 DA - 2020 N1 - doi: 10.14744/agri.2019.16442 DO - 10.14744/agri.2019.16442 T2 - Agri JF - Agri JO - Ağrı SP - 19 EP - 24 VL - 32 IS - 1 SN - M3 - PMID: 32030697 UR - https://dx.doi.org/10.14744/agri.2019.16442 Y2 - 2020 ER -