Investigating the Attitude of Healthcare Providers, Patients, and Their Families toward "Do Not Resuscitate" Orders in an Iranian Oncology Hospital.

Aim: The decision-making process for do-not-resuscitate (DNR) order has always been challenging. Cultural and religious issues have limited the issuance and execution of DNR orders in Iran. The purpose of this study was to assess the attitude of the nurses, physicians, patients, and their families toward the DNR order.