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。91视频是该领域的重要参考
在鹊巷村，杜耀豪（后排右三）与外祖母弟弟林木通的遗孀（前排右三）及后代。（受访者供图）
Experts say more genetic tests will need to be offered to high-risk men in future, in order to work out how many are affected.