internal anal sphincter 中文意思是什麼
internal anal sphincter
解釋
肛門內括約肌-
Curative effect observation of chronic anal fissure treated by resection of internal sphincter and dilatation of anal and suture
中藥內外治結合治療難治性慢性支氣管炎155例臨床觀察 -
Internal external anal sphincter m
肛門內外括約肌
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