PT - JOURNAL ARTICLE AU - Michael Kelley AU - Daniel April AU - Bridget Bagert AU - James Milburn AU - Andrew Steven TI - Spinal Dural Arteriovenous Fistula: The Missing-Piece Sign AID - 10.31486/toj.21.0110 DP - 2022 Mar 20 TA - Ochsner Journal PG - 10--14 VI - 22 IP - 1 4099 - http://www.ochsnerjournal.org/content/22/1/10.short 4100 - http://www.ochsnerjournal.org/content/22/1/10.full SO - Ochsner J2022 Mar 20; 22