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634 Studies found for: opioid use AND substance

Terms and Synonyms Searched:

Terms Search Results* Entire Database**
Synonyms
opioid use 634 studies 1,782 studies
narcotics use 5 studies 249 studies
substance 634 studies 16,630 studies

   
-- No studies found
* Number of studies in the search results containing the term or synonym
** Number of studies in the entire database containing the term or synonym