TY - GEN AU - Qin,Q AU - Christiansen,M AU - Lövgren,T AU - Nørgaard-Pedersen,B AU - Pettersson,K TI - Dual-label time-resolved immunofluorometric assay for simultaneous determination of pregnancy-associated plasma protein A and free beta-subunit of human chorionic gonadotrophin SN - 0022-1759 PY - 1997///0929 KW - Antibodies, Monoclonal KW - Biotin KW - Chorionic Gonadotropin, beta Subunit, Human KW - blood KW - Evaluation Studies as Topic KW - Female KW - Fluoroimmunoassay KW - methods KW - Humans KW - Kinetics KW - Pregnancy KW - Pregnancy Trimester, First KW - Pregnancy-Associated Plasma Protein-A KW - analysis KW - Reference Standards KW - Reproducibility of Results N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0022-1759(97)00073-2 ER -