-<p>In the White and Pagano method, the serial distribution is assumed to
-be a discretized, finite version of a gamma distribution. Setting the
-parameter <code>serial</code> to <code>TRUE</code> causes this
-discretized distribution to be returned in addition to the estimate of
-R0. Furthermore, the method can be used whether or not the serial
-interval (specified as the parameter <code>mu</code>) is known. When
-<code>mu</code> is specified, it is taken to be the mean of a continuous
-gamma distribution (i.e., before the discretization). As such, the mean
-computed from the returned serial distribution may differ slightly from
-<code>mu</code>:</p>
+<p>In the White and Pagano method, <code><a href="../reference/wp.html">wp()</a></code>, the serial
+distribution is assumed to be a discretized, finite version of a gamma
+distribution. Setting the parameter <code>serial</code> to
+<code>TRUE</code> causes this discretized distribution to be returned in
+addition to the estimate of R0. Furthermore, the method can be used
+whether or not the serial interval (specified as the parameter
+<code>mu</code>) is known. When <code>mu</code> is specified, it is
+taken to be the mean of a continuous gamma distribution (i.e., before
+the discretization). As such, the mean computed from the returned serial
+distribution may differ slightly from <code>mu</code>:</p>