document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=73829\">康希诺开始试产 mRNA 疫苗</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=73831\">小鼠研究显示长期运动可延缓器官衰老</a></p></div>");