Aortic valve replacement with mechanical vs. biological prostheses in patients aged 50-69 years.

机械与生物假体在50- 69岁年患者主动脉瓣置换术。

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Aortic valve replacement with mechanical vs. biological prostheses in patients aged 50-69 years.

机械与生物假体在50- 69岁年患者主动脉瓣置换术。

youdao