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Title: Causal inference in observational studies of cannabis and tobacco use and later educational outcomes
Author: Stiby, Alexander Ian
ISNI:       0000 0004 5917 1373
Awarding Body: University of Bristol
Current Institution: University of Bristol
Date of Award: 2014
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No abstract available
Supervisor: Macleod, John ; Hickman, Matthew Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available