1 ﹒荣独山,X线诊断学》第一册胸部,第二版,上海:上海科学技术出版社.4 ﹒ IsadoreMeschan,et al ﹒ 《 Analysiso fR oentgen Signsi nG eneral Radiology‐Volume2 》,First Edition,W ﹒ B ﹒ Saunders company ﹒. ......