Sensitivity and SpecificityImmunoassayBiological AssayReagent Kits, DiagnosticRadioimmunoassayEnzyme-Linked Immunosorbent AssayPolymerase Chain ReactionChromatography, High Pressure LiquidDNA PrimersCross ReactionsReproducibility of ResultsKineticsMolecular Sequence DataBiological MarkersBase SequenceCell Line