Analysis of hepatitis B precore region in serum and liver of chronic hepatitis B virus carriers

López-Alcorocho JM, Moraleda G, Bartolomé J, Castillo I, Cotonat T, Aguilar J, Ortega E, Pons JA, Salmerón J, Vázquez-Iglesias JL,Carreño V. J Hepatol 1994; 21: 353-360.