老年反流性食管炎患者血清Ghrelin和Leptin水平及在胃黏膜中表达的意义
노년반류성식관염환자혈청Ghrelin화Leptin수평급재위점막중표체적의의
Serum levels and tissue expression of ghrelin and leptin in elderly patients with reflux esophagitis
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