Matsuki Y, Mizogami M, Shigemi K. Successful treatment of failed back surgery syndrome with an ultrasoundguided sacroiliac joint block: a report of two cases. apic [Internet]. 18Jan.2019 [cited 3Jul.2024];21(4):479-81. Available from: https://apicareonline.com/index.php/APIC/article/view/80