quality control - eqas - imunology - Hepatitis B and C, , 1-3 samples, 1 evaluation report, todylaboratories®, analytes: Ag HBs, Ac. anti-HBs, Ac. anti-HBc total, Ac. anti-Hbc IgM, Ag Hbe, Ac. anti-HBe and Ac. anti-HCV, code TQHP0027, survey in 2024.04