Flannery, M A <br/><br/>
From rudbeckia to echinacea: the emergence of the purple cone flower in modern therapeutics.  [electronic resource] 

 -  Pharmacy in history  1999 
 - 52-9 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article 
<br/><br/><label>ISSN: </label>0031-7047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug Therapy--history<br/>History, Modern 1601-<br/>Phytotherapy--history<br/>Plants, Medicinal<br/>United States