[Comparison between digital X-ray imaging and high voltage X-ray imaging in diagnosis of pneumoconiosis].
Yang
He-ji
HJ
Liu
Rui-ying
RY
Liu
Yu-ling
YL
D006801:Humans; D011009:Pneumoconiosis / Q000000981:diagnostic imaging*; D011856:Radiographic Image Enhancement; D011859:Radiography / Q000379:methods*