To investigate the chronic terminal ileitis ileocecal valve systolic and diastolic function and its significance.
摘要目
探讨慢性末端
肠炎

瓣舒缩功能变化及其意义。
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日综合录 Others believe the symbol emerged in medieval times when scientists attempted to illustrate Aristotle's ancient writings on anatomy, where he described the human heart as having three valves with a dent in the middle.
还有人认为这个符号是在中世纪时期出现的,因为当科学家试图解释亚里士多德关于解剖的古老著作时,发现他在其中描述人类心脏有三个瓣膜,中间有个凹陷。