National Institute on Drug Abuse , Dhawan Bhola N., Rapaka Rao, S. <br/><br/>
Opioid peptides  an update 

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 - Maryland  National Institute on Drug Abuse  1988 
 - 237 p.  24 cm. 
 - NIDA Research Monograph ; no.87   .
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<br/><br/><label>Dewey Class. No.: </label>SERIAL  / NID