目的探讨弥漫型星形细胞瘤的MR影像特点。
Objective to investigate the MR imaging features of diffuse astrocytoma.
目的总结上颌前牙埋伏阻生的X线影像特点。
Objective To summarize the X ray characteristics of embedded anterior maxillary teeth.
目的：探讨高原性肺水肿X线影像特点及其诊断价值。
Purpose: To evaluate X ray characteristics and diagnostic value of high altitude pulmonary edema (HAPE).
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