RT Journal Article SR Electronic T1 Proton pump inhibitors may cause elevation in faecal calprotectin levels JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 350 OP 350 DO 10.3399/bjgp16X685813 VO 66 IS 648 A1 Mike Cohen YR 2016 UL http://bjgp.org/content/66/648/350.2.abstract AB