@article{ref1,
title="Fentanyl and its derivatives, xylazine, and benzodiazepines: new sources of risk for acute poisonings",
journal="Emergencias",
year="2023",
author="Cárdenas-Quesada, Jose and Torrens, Marta and Farré, Magi",
volume="35",
number="5",
pages="e400-e400",
abstract="[The publisher has not provided an abstract for this article.]<p /> <p>Language: en</p>",
language="en",
issn="1137-6821",
doi="",
url="http://dx.doi.org/"
}