St Peter SD, Shah SR, Adibe OO, Sharp SW, Reading B, Cully B, Holcomb GW, Rivard DC. Saline vs Tissue Plasminogen Activator Irrigations after Drain Placement for Appendicitis-Associated Abscess: A Prospective Randomized Trial. J Am Coll Surg. 2015 Aug; 221(2):390-6.