TY - RPRT TI - A bioassay based on recombinant DNA technology for determining selenium concentration. AU - M Reches AU - C Zhao AU - H Engelberg-Kulka PY - 1994 DO - 10.1128/aem.60.1.45-50.1994 UR - https://pubmed.ncbi.nlm.nih.gov/7509588/ ID - 7509588 ER -