@misc{indiciae423753b340b0, title = {Urinary selenium concentrations in heroin abusers.}, author = {E M Rodríguez Rodríguez and M Sanz Alaejos and C Díaz Romero}, year = {1994}, doi = {10.1016/0009-8981(94)90252-6}, url = {https://pubmed.ncbi.nlm.nih.gov/7704947/}, note = {Source identifier: 7704947} }