Fig. 3From: Interferon-γ promotes gastric lymphoid follicle formation but not gastritis in Helicobacter-infected BALB/c mice Helicobacter-specific serum IgG1 and IgG2a responses were similar in Ifng +/+ and Ifng −/− BALB/c mice. Values for individual mice are presented as ratios calculated from paired serum samples (n = 6–7/group). Horizontal bars correspond to the median value. Mann–Whitney test: NS not significantBack to article page