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Soheil1 Posted 14 years ago
Vocabulary

Substance

Hi.
" comorbid ADHD, as well as depression, substance use, and other conditions, complicate treatment."

What's 'substance'?

Thanks in advance!
  

Top answer

Volume=2&page=558&journalID=21 )

— Soheil1

  • Volume=2&page=558&journalID=21 )
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