1. A randomized controlled trial for measuring effects on cognitive functions of adding ketamine to propofol during sedation for colonoscopy. Issue 36 (4th September 2020) Authors: Tian, Liang; Luan, Hengfei; Zhu, Pin; Zhang, Zhiyuan; Bao, Hongguang Other Names: Neto. Jose Barbosa section editor. Journal: Medicine Issue: Volume 99:Issue 36(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗