Schwartzman David <br/><br/>
The expected return from pharmaceutical research : sources of new dtugs and the profitability of R & D inves tment 

 - Washington  American Enterprise Institute for Public Policy Research U.S.A 
 - 57p.  cm. 
<br/><br/><label>Standard No.: </label>248881 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Dewey Class. No.: </label>LZOaX, L5