00352nas a2200073 4500000000100000008004100001100001200042245022400054 2019 d1 aK Rowan00aEffect of Stress Ulcer Prophylaxis with Proton Pump Inhibitors vs Histamine-2 Receptor Blockers on In-Hospital Mortality among ICU Patients Receiving Invasive Mechanical Ventilation: The PEPTIC Randomized Clinical Trial