nce</a></li>
<li class="nav-item dropdown">
  <button class="nav-link dropdown-toggle" type="button" id="dropdown-articles" data-bs-toggle="dropdown" aria-expanded="false" aria-haspopup="true">Articles</button>
  <ul class="dropdown-menu" aria-labelledby="dropdown-articles"><li><a class="dropdown-item" href="../articles/pdf.html">flexsurv PDF vignettes</a></li>
    <li><a class="dropdown-item" href="../articles/standsurv.html">Calculating standardized survival measures in flexsurv</a></li>
  </ul></li>
<li 