Fig. 4From: Comparison of antibody responses against Mycobacterium tuberculosis antigen Rv0679c in tuberculosis patients from the endemic and non-endemic regions of the Beijing genotype: a case control studyDifference in anti-N-type and anti-K-type Rv0679c specific antibody responses. a and b refers to the IgG and IgA responses of C-PTB against N- and K-types, respectively; c, d refers to the IgG and IgA responses of P-PTB against N- and K-types, respectively, respectively. Panels, the mediansBack to article page