Prepyloric antral webs are relatively uncommon as a cause for gastrointestinal obstruction in infants and children.
摘要
儿肠胃道阻塞的原因中，先天性幽门前窦蹼为一相当罕见之原因。
Prepyloric antral webs are relatively uncommon as a cause for gastrointestinal obstruction in infants and children.
摘要儿肠胃道阻塞的原因中，先天性幽门前窦蹼为一相当罕见之原因。
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