jejunal flora , bile acid deconjugation , and breath hydrogen ( h2 ) and methane ( ch4 ) excretion were studied in 22 billroth ii ( bii ) -operated patients with chronic postprandial symptoms , dumping ( 9 ) , vomiting ( 7 ) , pain ( 10 ) , and diarrhoea ( 14 ) .
C0022378
jejunal
C0192444
billroth ii