Kreyer S, Muders T, Luepschen H, Kricklies C, Linden K, Tolba R, Varelmann D, Zinserling J, Putensen C, Wrigge H. Pumpless extracorporeal CO(2) removal restores normocapnia and is associated with less regional perfusion in experimental acute lung injury. Acta Anaesthesiol Scand. 2014 Jan; 58(1):52-60.