Article 4 Humans 4 Luminescent Measurements human 4 luminescence 4 Limit of Detection 3 blood 3 controlled study 3 limit of detection 3 procedures 3 Adult 2 Calibration 2 Female 2 Immunoassay 2 Male 2 Middle Aged 2 Young Adult 2 adult 2 calibration 2 chemiluminescence immunoassay 2 chemoluminescence 2 concentration (parameter) 2 diagnostic test accuracy study 2 female 2 immunoassay 2 intermethod comparison 2 major clinical study 2 male 2 middle aged 2 practice guideline 2