RT Journal Article SR Electronic T1 Faecal calprotectin indicates intestinal inflammation in COVID-19 JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1543 OP 1544 DO 10.1136/gutjnl-2020-321388 VO 69 IS 8 A1 Effenberger, Maria A1 Grabherr, Felix A1 Mayr, Lisa A1 Schwaerzler, Julian A1 Nairz, Manfred A1 Seifert, Markus A1 Hilbe, Richard A1 Seiwald, Stefanie A1 Scholl-Buergi, Sabine A1 Fritsche, Gernot A1 Bellmann-Weiler, Rosa A1 Weiss, Günter A1 Müller, Thomas A1 Adolph, Timon Erik A1 Tilg, Herbert YR 2020 UL http://gut.bmj.com/content/69/8/1543.abstract AB