Angelelli G,Macarini 1,Fratello A.Use of water as an oral contrast agent for CT study the stomach.AJR,1987,149:1084.是什么意思_Angelelli G,Macarini 1,Fratello A.Use of water as an oral contrast agent for CT study the stomach.AJR,1987,149:1084.在线翻译_英语_读音_用法_例句