{
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  "dek": "Li Renke, a visionary cardiovascular scientist who applied engineering principles to the human heart and developed conductive biomaterials to repair tissue damaged by heart attacks, died while attending an academic conference in the Chinese city of Xian earlier this month. He was 65. His death on October 10 was announc",
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      "source_name": "South China Morning Post — China",
      "title": "Pioneering heart stem cell expert Li Renke dies at 65 during a Chinese conference",
      "url": "https://www.scmp.com/news/china/science/article/3371077/pioneering-heart-stem-cell-expert-li-renke-dies-65-during-chinese-conference",
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  "limitations": [
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    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
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}