Objective To study the diagnostic value of using impulse oscillation (IOS) to measure the respiratory resistance in restrictive lung disease (RLD).
目的初步探讨脉冲震荡法在测定限制性肺病（RLD）患者呼吸阻抗中的诊断价值。
Objective Investigating the follow-up value of combined measure of CA15 3 and CEA.
目的观察CA153和CEA联合检测在乳腺癌术后随访中的价值。
Objective Investigating the follow-up value of combined measure of CA15 3 and CEA.
目的观察CA153和CEA联合检测在乳腺癌术后随访中的价值。
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