Assertion: opium's effect | /r/HasProperty | no one type of user
Facets:
Source sentences:
text: -Influence of illicit traffic, reasons--Heroin among young males--Effect of prohibitory laws on use of heroin-Table by drugs used-Other Classifications-Conditions in England, 1871-Individual opinions of types involved by authors from 1871 to 1922-Contradictory views due to studies of selected cases--Effects of other drugs, "mixed addiction'--Effect of environmental factors on "type" determination-Dangers of conclusions based on insufficient data-No one type of user-