TY - RPRT TI - Urinary selenium concentrations in heroin abusers. AU - E M Rodríguez Rodríguez AU - M Sanz Alaejos AU - C Díaz Romero PY - 1994 DO - 10.1016/0009-8981(94)90252-6 UR - https://pubmed.ncbi.nlm.nih.gov/7704947/ ID - 7704947 ER -