TY - RPRT TI - Selective sample preparation with bioaffinity columns prepared by the sol-gel method. AU - Margit Cichna-Markl PY - 2006 DO - 10.1016/j.chroma.2006.06.077 UR - https://pubmed.ncbi.nlm.nih.gov/16842802/ ID - 16842802 ER -