document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=74036\">基因表达的昼夜节律存在性别年龄差异</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=74038\">是否应该每年接种新冠疫苗？</a></p></div>");