Describir: Clorhexidina gluconato y prevención de infecciones en cirugía cardíaca. Prevention of nosocomial infection in cardiac surgery by decontamination of the nasopharynx and oropharynx with chlorhexidine gluconate. A randomized controlled trial. Segers P, Speekenbrink RGH, Ubbink DT, vanOgtrop ML, deMol BA. JAMA 2006: 296; 2460-6