Characteristics and outcome of critically ill patients with systemic rheumatic diseases referred to the intensive care unit oleh Daniel Aletaha, Peter Schellongowski, Michael Zauner, Klaus P Machold, Gottfried Heinz, Thomas Staudinger, Christian Zauner, Gürkan Sengölge, Mathias Schneeweiss-Gleixner, Caroline Hillebrand, Stephanie Jaksits, Jonathan Fries, Manuel Bécède