Soporte Modular Extracorporal para el Hígado (MELS) https://web.archive.org/web/20041106023132/http://www.charite.de/avt/research/sauer/projects/mels_lab/mels_start.html - Charité Berlin - Campus Virchow - Division División de Cirugía Experimental y Medicina Regenerativa https://web.archive.org/web/20050205064359/http://www.charite.de/avt/research/sauer/