Population - based data on the relationship between PFO and migraine are sparse , however.

但是尚罕见以人群为基础的资料研究PFO和偏头痛的关系.

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We investigated the effects of PFO closure for migraine in a randomized, double - blind controlled trial.

我们应用随机 、 双盲、安慰剂对照的临床试验研究卵圆孔未闭(PFO)封堵术对偏头痛治疗效果.

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