The use of essential drugs  Seventh report of the WHO expert committee 
WHO Expert committee on the use of essen 
 - Geneva  W.H.O.  1997 
 - 74 
 - WHO technical Report series 867 .
<br/><br/><label>ISBN: </label>9241208678 
<br/><br/><label>Dewey Class. No.: </label>615.1 W893U