Shortages of rare nuclear isotopes that rapidly shrink tumours threaten to undermine the development of breakthrough treatments in which health companies have invested billions of dollars, experts in the nascent radiopharmaceuticals field have warned.
新兴放射性药物领域的专家警告称，能迅速缩小肿瘤的稀有核同位素短缺，可能会威胁到医疗公司投资数十亿美元的突破性治疗方法的发展。
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