RT Journal Article SR Electronic T1 Persorption of metallic iron particles. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 32 OP 33 DO 10.1136/gut.10.1.32 VO 10 IS 1 A1 Volkheimer, G A1 Schulz, F H A1 Lindenau, A A1 Beitz, U YR 1969 UL http://gut.bmj.com/content/10/1/32.abstract AB