scholarly journals Physical Dependence Potential of an Enkephalin Analog, EK-399, in Rats

1990 ◽  
Vol 53 (4) ◽  
pp. 443-450 ◽  
Author(s):  
Nobuyuki NISHIDA
1978 ◽  
Vol 28 (3) ◽  
pp. 403-412
Author(s):  
Tadashi Murano ◽  
Hiromi Senda ◽  
Hiroyuki Yamamoto ◽  
Ichiro Yano

2010 ◽  
Vol 211 (4) ◽  
pp. 457-466 ◽  
Author(s):  
Ryan K. Lanier ◽  
Michelle R. Lofwall ◽  
Miriam Z. Mintzer ◽  
George E. Bigelow ◽  
Eric C. Strain

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