title: Ultrasound as a screening tool for proceeding with caudal epidural injections.
authors.affiliation: Department of Physical Medicine, Chang Gung Memorial Hospital at Linkou, and College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan County, Taiwan.
authors.forename: Carl P
authors.initials: CP
authors.lastname: Chen
authors.forename: Alice M
authors.initials: AM
authors.lastname: Wong
authors.forename: Chih-Chin
authors.initials: CC
authors.lastname: Hsu
authors.forename: Wen-Chung
authors.initials: WC
authors.lastname: Tsai
authors.forename: Chen-Nen
authors.initials: CN
authors.lastname: Chang
authors.forename: Shih-Cherng
authors.initials: SC
authors.lastname: Lin
authors.forename: Yin-Cheng
authors.initials: YC
authors.lastname: Huang
authors.forename: Chih-Hsiang
authors.initials: CH
authors.lastname: Chang
authors.forename: Simon F
authors.initials: SF
authors.lastname: Tang
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007268:Injections, Epidural / Q000379:methods*; D017116:Low Back Pain / Q000000981:diagnostic imaging* / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D012445:Sacrococcygeal Region / Q000000981:diagnostic imaging*; D012585:Sciatica / Q000000981:diagnostic imaging* / Q000188:drug therapy*; D013115:Spinal Canal / Q000000981:diagnostic imaging; D014463:Ultrasonography