S0560 Prospective Trial of Proactive Instruction to Improve Quality and Timeliness of Bowel Preparation, and Clinical and Demographic Features Associated With Inadequate or Incomplete Bowel Prep. (October 2020) - Kurin, Michael; Patel, Roma; Alikhan, Muhammed Mustafa; Shah, Raj; Satyavada, Sagarika; Sharma, Anamay; Tripathi, Alok; Ismail, Mayada; Mansoor, Emad; Sadik, Jacob; Mehta, Dhairya; Matta, Carine; et al.