Figure 41-Section of a Lichen planus papule. Horny layer thickened, epidermis thickened and its cells enlarged and lengthened laterally. Dense growth of connective tissue cells in the corium, sharply magnified beneath. 75x
Norman Purvis Walker
<cite class="book" style="font-style:normal" id="Reference-Walker-1905">Walker, Norman Purvis (1905)      <i> <a rel="nofollow" class="external text" href="https://books.google.com/books?id=fnYoAAAAYAAJ">An introduction to dermatology</a></i> (3<sup>rd</sup> ed.), William Wood and company Retrieved on 26 September 2010. <small></small></cite>