The United States pharmacopeia - USP XXII 

 - 22nd rev. ed. 
 - Rockville:  United States Pharmacopeial Convention Inc.,  1989 
 - liv, 2067 p. ;  28cm 
<br/><br/> Acc. No. 10680 
<br/><br/><label>ISBN: </label>0913595381 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmacopoeias