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