FACTORS INFLUENCING THE OCCURRENCE OF MEDICAL ERROR AMONG RESIDENT DOCTORS AT THE UNIVERSITY COLLEGE HOSPITAL, IBADAN. Introduction: Medical errors represent a serious public health problem and pose a threat to patient safety. Some factors influence the daily practice on medicine service to patients. In Nigeria, medical error is an imperative cause of patient mortality and morbidity and it has to be addresses by creating a culture of safety in medical practice. Aim: To determine the factor th...