Scheduled Prophylactic 6-Hourly IV AcetaminopheN to Prevent Postoperative Delirium in Older CaRdiac SurgicAl Patients (PANDORA): protocol for a multicentre randomised controlled trialTanvi Khera, Balachundhar Subramaniam, Valerie Banner‐Goodspeed et al.|BMJ Open|2021Cited by 10