Figure 3 From: Arthritis suppression by NADPH activation operates through an interferon-β pathway Arthritis development in rats after subcutaneous administration of pristane (circles) or phytol (squares) in the time study experiment. Only animals injected with pristane developed arthritis. Values are means ± SEM from groups of four animals. Levels of significance were calculated using Student's t-test (***p < 0.001).Back to article page