Determination of hepatitis B virus DNA in chronic HbsAg carriers: relation to other markers of viral replication - Bartolomé Nebreda F; Castillo Aguilar I; Mora Pérez I; Gutiez Cuevas J; Hernández-Guio C; Porres Cubero J; Carreño García V (Revista Clinica Espanola, 1986)