Endoscopic Ultrasonography‐Guided Intrapyloric Sphincter Injection of Botulinum Toxin into Muscularis Propria to Treat Refractory Diabetic Gastroparesis: 2535. (October 2017) - Etienne, Denzil; Shah, Jamil M.; Parvin, Russell; Reddy, Madhavi; Shahzad, Ghulamullah