TY - RPRT TI - Reagentless amperometric immunosensor for human chorionic gonadotrophin based on direct electrochemistry of horseradish peroxidase. AU - Jin Chen AU - Feng Yan AU - Zong Dai AU - Huangxian Ju PY - 2004 DO - 10.1016/j.bios.2004.10.023 UR - https://pubmed.ncbi.nlm.nih.gov/16023960/ ID - 16023960 ER -