Kaiser permanente medical care program :  Southern California Region : Drug formulary for internal distribution and use only : June 1991 / 
S.D. Gong [et al.]. 
 - Downey, CA :  Drug information service,  1991. 
 - v, 407 p. ;  18 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs