The United States pharmacopeia.  

 - Rockville, Md.   United States Pharmacopeial Convention, Inc.,  c1979- 
 - v. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacopoeias; Formularies; Pharmacopoeias
<br/><br/><label>LC Class. No.: </label>RS141.2  / .U9 2012