Harkness, Richard. <br/><br/>
OTC handbook :  what to recommend & why / 
by Richard Harkness. 
 - 2nd ed 
 - Oradell, N.J. :  Medical Economics,  1983. 
 - 190 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>0874893038 
<br/><br/><label>LCCN: </label>82-14255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs, Nonprescription.<br/>Self medication.<br/>Drugs, Non--prescription--Handbooks.<br/>Self Medication--Handbooks.