
  <ul class="dropdown-menu" aria-labelledby="dropdown-articles">
<li><a class="dropdown-item" href="articles/index.html">Overview</a></li>
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    <li><a class="dropdown-item" href="articles/understanding-gs-designs.html">Understanding group sequential designs</a></li>
    <li><a class="dropdown-item" href="articles/GroupSeq.html">Introduction to GroupSeq</a></li>
    <li><a class="dropdown-item" href="articles/task-1-compute-bounds-H0.html">-1- Compute Bounds</a></li