Laurence, D R <br/><br/>
Medicines then and now.  [electronic resource] 

 -  Nature  Sep 1981 
 - 13-5 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/293013a0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History of Medicine<br/>History, 19th Century<br/>History, 20th Century<br/>Pharmaceutical Preparations--history