RT Journal Article SR Electronic T1 Sulphate reducing bacteria and hydrogen metabolism in the human large intestine. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 437 OP 439 DO 10.1136/gut.34.4.437 VO 34 IS 4 A1 Gibson, G R A1 Macfarlane, G T A1 Cummings, J H YR 1993 UL http://gut.bmj.com/content/34/4/437.abstract AB