PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1402406-7 1992 The new method has been used for the direct analysis of bile acid in stools and bile with only a preliminary clean-up procedure using a C-18 reverse phase extraction. Bile Acids and Salts 56-65 Bardet-Biedl syndrome 9 Homo sapiens 136-140