Update publications.html

publications.html

@@ -56,7 +56,7 @@ <h2>Preprints | 预印本</h2>
 </ul>
 <h2>Journal Publications | 期刊论文</h2>
 <ul>
-<li><p><a href="https://arxiv.org/abs/2202.07234">Long-term causal inference under persistent confounding via data combination</a> <br/>
+<li><p><a href="https://doi.org/10.1093/jrsssb/qkae095">Long-term causal inference under persistent confounding via data combination</a> <br/>
 Guido Imbens*, Nathan Kallus*, Xiaojie Mao* and <b>Y. Wang*</b><br/>
 <i>Journal of the Royal Statistical Society, Series B (accepted).</i></p>
 </li>