在最初抱怨胸痛或者食管外症状的难治反流病人，阻抗检测有效性未得到证实。
The utility of impedance monitoring in refractory reflux patients with primary complaints of chest pain or extraesophageal symptoms is unproven.
在最初抱怨胸痛或者食管外症状的难治反流病人，阻抗检测有效性未得到证实。
The utility of impedance monitoring in refractory reflux patients with primary complaints of chest pain or extraesophageal symptoms is unproven.
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