Salvo, S [IgG4 seroconversión in a patient with chronic brucellosis with biliary focus]. [electronic resource] - Revista espanola de quimioterapia : publicacion oficial de la Sociedad Espanola de Quimioterapia Dec 2017 - 481-482 p. digital Publication Type: Case Reports; Letter ISSN: 1988-9518 Subjects--Topical Terms: AgedBrucella melitensis--immunologyBrucellosis--diagnosisChronic DiseaseHumansImmunoassayImmunoglobulin G--immunologyMaleSeroconversion