Tumor markers ELISA Kits 1. include AFP, CEA, PSA, fPSA, CA-125, CA15-3, CA19-9, B2- ... performance Tumor markers ELISA KitsBioSino Tumor markers ELISA Kits include AFP, CEA, PSA, fPSA, CA-125, CA15-3, CA19-9, B2 ... -step methodSample adding: 50ulMeasuring wavelength: 450nm Tumor markers ELISA Kits, AFP, CEA, PSA, fPSA, CA-125, CA15-3, CA19-9, B2 ...