主要技术内容
前言……………………………………………………………………………………………………………III引言……………………………………………………………………………………………………………IV1范围…………………………………………………………………………………………………………12术语和定义…………………………………………………………………………………………………13诊断…………………………………………………………………………………………………………13.1诊断要点………………………………………………………………………………………………13.2鉴别诊断………………………………………………………………………………………………1