But Opatosky's cardiac problems persisted through the years, with angina and a heart murmur.

但此后数年，奥帕图斯基仍受心脏病之累，心绞痛和心杂音时时折磨着他。

youdao

There are places around the world where people are using cell therapy for refractory angina already but I think it is best done through randomized trials.

世界各地有某些地方人们已经在用细胞治疗来治疗顽固性心绞痛，但我认为最好还是经过随机试验验证。

youdao