Multinational, observational study of procalcitonin in ICU patients with pneumonia requiring mechanical ventilation: a multicenter observational study
Frank Bloos, John C Marshall, Richard P Dellinger, Jean-Louis Vincent, Guillermo Gutierrez, Emanuel Rivers, Robert A Balk, Pierre-Francois Laterre, Derek C Angus, Konrad Reinhart* and Frank M Brunkhorst