<div class="description">
<dl><dd>48 pages ; 24 cm</dd>
<dd>Issued in printed and illustrated wrappers with trade mark on back and illustration on front</dd>
<dd>Includes bibliographical references</dd>
<dd>Condition reviewed 20170501</dd>
<dd>digitized. 2019</dd></dl><br>Subjects: Phosphorus; Therapeutics; Nervous System Diseases</div>
Internet Archive identifier