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ko
opiates
criminologists
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zhang
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wholesale
burma
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triangle
fieldwork
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paired
incarcerated
compares
traffickers
dealers
illicit
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characteristics
heroin
producer
prospects
applied
distribution
retail
asian
trafficking
entry
sales
users
measures
noted
controlled
associated
authorities
asia
evolved
areas
extreme
border
cross
centers
volume
spread
markets
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nuanced
region
golden
organization
problem
explore
1980s
organizations
problems
risk
level
extensive
hundreds
street
drugs
marked
urban
china
trade
called
relationship
late
faced
drug
international
face
fascinating
control
based
use
major
society
interviews
reveals
country
government
decades
high
social
account
long
world