Seltzer, Meta Brown, <br/><br/>
Drug calculations :  ratio and proportion problems for clinical practice / 
Meta Brown Seltzer, Joyce M. Mulholland. 
 - Tenth edition. 
 - xv, 492 pages :  illustrations colour ;  28 cm. 
<br/><br/><label>ISBN: </label>9780323316590  RM330.14 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pharmaceutical preparations--administration & dosage.<br/>Mathematics.<br/>Programmed instruction.