Biological variation of neuroendocrine tumor markers chromogranin A and neuron-specific enolase
Keywords: CgA, chromogranin A; NSE, neuron-specific enolase; BV, biological variation; RCV, reference change value; CVI, within-subject CV; RI, reference interval; TRACE, Time-Resolved Amplified Cryptate Emission; HI, hemolysis index; Ct, Cochran's test; II, index