TY - RPRT TI - Development and application of a multi-target immunoaffinity column for the selective extraction of natural estrogens from pregnant women's urine samples by capillary electrophoresis. AU - Ping Su AU - Xin-Xiang Zhang AU - Wen-Bao Chang PY - 2005 DO - 10.1016/j.jchromb.2004.07.009 UR - https://pubmed.ncbi.nlm.nih.gov/15664327/ ID - 15664327 ER -