摘要 : Background: It is challenging for emergency physicians (EPs) to distinguish between patients with life-threatening and benign headaches. We examined the effect of peer influence on computed tomography use by EPs for patients with ... 展开 Background: It is challenging for emergency physicians (EPs) to distinguish between patients with life-threatening and benign headaches. We examined the effect of peer influence on computed tomography use by EPs for patients with headache and evaluated the peer influence effect in EPs with different levels of risk tolerance. 收起