TY - RPRT TI - Improved sensitivity in homogeneous enzyme immunoassays using a fluorogenic macromolecular substrate: an assay for serum ferritin. AU - R Armenta AU - T Tarnowski AU - I Gibbons AU - E F Ullman PY - 1985 DO - 10.1016/0003-2697(85)90418-x UR - https://pubmed.ncbi.nlm.nih.gov/3922243/ ID - 3922243 ER -