After anesthesia, rats in the ovariectomized group were treated with bilateral ovariectomy, and those in the sham-operated group were only given laparotomy.

麻醉后，去卵巢组大鼠切除双侧卵巢，假手术组仅行开腹术。

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Methods 24 rats of clean grade were randomly divided into 3 groups: acyl ethylene dimethyl glycine (TMOG) group and the control group, sham-operated group, 8 in each group.

方法健康清洁级大鼠24只，随机分为3组：二甲基乙二酰基甘氨酸（TMOG）组、对照组、假手术组，每组8只。

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Coronary artery was not ligatured in the sham operated group.

假手术对照组在穿线后不结扎。

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