From 2006 to 2013, the annual number of tramadol poisonings in the DNPR per 10 000 poisonings was stable around 50/10 000 poisonings but showed a decreasing trend from 2014 to 2017 (Figure S3 ).
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From 2006 to 2013, the annual number of tramadol poisonings in the DNPR per 10 000 poisonings was stable around 50/10 000 poisonings but showed a decreasing trend from 2014 to 2017 (Figure S3 ).