27 Rey Rey C C Los Arcos Los Arcos M M Concha Concha A A Medina Medina A A Prieto Prieto S S Martinez Martinez P P Procalcitonin and C-reactive protein as markers of systemicinflammatory response syndrome severity in critically illchildren Procalcitonin and C-reactive protein as markers of systemicinflammatory response syndrome severity in critically illchildren Intensive Care Med Intensive Care Med 2007 2007 33 33 3 3 477 477 484 484 17260130 17260130. The gene discussed is CRP; the disease is Down syndrome.