Roebuck E, Beano H, Robinson M, Edwards D, Worrilow WM, Sinks A, Gaston KE, Clark PE, Riggs SB. Surgeon-administered Transversus Abdominis Plane (TAP) Block is Associated With Decreased Opioid Usage and Length of Stay Following Radical Cystectomy. Urology. 2022 Mar; 161:135-141.