Ultrasound versus fluoroscopy in image-guided pain treatment: use caution.
Asokumar
A
Buvanendran
James P
JP
Rathmell
D005260:Female; D006801:Humans; D008297:Male; D009407:Nerve Block / Q000379:methods*; D018084:Ultrasonography, Interventional / Q000379:methods*; D021801:Zygapophyseal Joint / Q000000981:diagnostic imaging* / Q000294:innervation*