美国医学

The paper introduced the latest report of AAPM ( American Association of Physicists in Medication) which was written by Task Group 51. The subject was the protocol for clinical reference dosimetry of high-energy photon and electron beams.

本文介绍了AAPM（美国医学物理家协会）TG-51号新报告，即高能光子和电子束参考剂量学议定书。

Methods Routine maintenance and periodic calibration were performed using photometer and automatic calibration software according to American Association of Physicists in Medicine Task Group 18 ( AAPM TG18) test patterns and evaluating criterion.

方法参考美国医学物理学会第18工作组（AAPM TG18）制定的测试图和质量评估标准，利用光度计、显示器校正软件，对3种型号的BARCOCRT灰阶显示器进行季度性定量检测。

According to the statistics of American Medical Association ( AMA), DIH occupied an important position in drug adverse effect.

据美国医学会统计，药源性肝病或肝损伤在药物不良反应中占重要位置。