RT Journal Article SR Electronic T1 Sodium content of oral rehydration solutions: a reappraisal. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1610 OP 1621 DO 10.1136/gut.30.11.1610 VO 30 IS 11 A1 Elliott, E J A1 Cunha-Ferreira, R A1 Walker-Smith, J A A1 Farthing, M J YR 1989 UL http://gut.bmj.com/content/30/11/1610.abstract AB