R. Zykus, L. Jonaitis, V. Petrenkienė, I. Gudinavičienė, and L. Kupčinskas, “Combination of transient elastography with serum-based non-invasive tests improves prediction of liver fibrosis in patients with chronic hepatitis C: a prospective cohort study”, AML, vol. 22, no. 2, pp. 77–84, Aug. 2015, doi: 10.6001/actamedica.v22i2.3122.