These abnormalities cause a functional obstruction at the gastroesophageal junction.
这些异常的原因在胃交界处功能性梗阻。
Functional obstruction may result from autonomic neuropathy, as with diabetes mellitus.
功能性阻塞可能见于自主神经异常，如糖尿病。
Maxillofacial bone fractures always bring serious facial abnormality and functional obstruction to the patients.
全面部骨折、陈旧性骨折等复杂的颅颌面骨折，常引起患者严重的三维颅颌面畸形。
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