Tenofovir monotherapy for hepatitis B after 1 year does not produce renal dysfunction, but is associated with hyperparathyroidism not related to vitamin D - Patricio, J A, Jr.; Lopes, P F; Medeiros, T; Mendes, G F; Silva, A A; Esberard, E B; Lugon, J R; Almeida, J R (Eur J Gastroenterol Hepatol, 2016)