12 Opstad Opstad TB TB Arnesen Arnesen H H Pettersen Pettersen AÅ AÅ Seljeflot Seljeflot I I Combined elevated levels of the proinflammatory cytokines IL-18 and IL-12 are associated with clinical events in patients with coronary artery disease: an observational study Combined elevated levels of the proinflammatory cytokines IL-18 and IL-12 are associated with clinical events in patients with coronary artery disease: an observational study Metab Syndr Relat Disord Metab Syndr Relat Disord 2016 2016 14 14 5 5 242 242 248 248 27058587 27058587. The gene discussed is IL18; the disease is tuberculosis.