Porter Roy E <br/><br/>
Writer's manual 

 - USA  ETC Publication         1977 
<br/><br/><label>Standard No.: </label>103003 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDICINE
<br/><br/><label>Dewey Class. No.: </label>M19g, L7