TY - RPRT TI - Choosing the calibration model in assay validation. AU - N V Nagaraja AU - J K Paliwal AU - R C Gupta PY - 1999 DO - 10.1016/s0731-7085(98)00256-8 UR - https://pubmed.ncbi.nlm.nih.gov/10701959/ ID - 10701959 ER -