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. 2017 Nov 15;7(11):e018150. doi: 10.1136/bmjopen-2017-018150

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This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See: http://creativecommons.org/licenses/by/4.0/

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ORs for general practitioner management (nicotine replacement therapies (NRTs), counselling, both or no advice to quit) of smokers by age groups. Age reference is 16–54 years. Models are adjusted for gender, social grade and survey year.