Salivary anti-PGL IgM and IgA titers and serum antibody IgG titers and avidities in leprosy patients and their correlation with time of infection and antigen exposure

by Aparecida T. Nagao-Dias, Thereza Lúcia P. Almeida, Maria de Fátima Oliveira, Rivanda C. Santos, Ana Laura P. Lima, Márcia Brasil