@article{moyano_aguirre_2019,  title={Opioids in the immune system: from experimental studies to clinical practice},  volume={65},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.65.2.262},  DOI={10.1590/1806-9282.65.2.262},  number={2},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Moyano, Jairo and Aguirre, Luisa},  year={2019},  month={Feb},  pages={262–269} }