Patterns of polydrug use among pregnant substance abusers

The Author(s) 2017 ;The Author(s) 2017. ;The Author(s) 2017. This work is licensed under the Creative Commons Attribution – Non-Commercial License http://creativecommons.org/licenses/by-nc/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2017 2017 SAGE Publications Ltd, or Nordic Centre for Welfare and Social Issues, unless otherwise noted. Manuscript content on this site is licensed under Creative Commons Licenses ;ISSN: 1455-0725 ;ISSN: 1458-6126 ;EISSN: 1458-6126 ;DOI: 10.1177/1455072516687256 ;PMID: 32934478

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