PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15048403-2 1996 A competitive immunoassay for 2,4-dichlorophenoxyacetic acid has been developed by combining this amplification cycle with beta-galactosidase as enzyme label resulting in p-aminophenol as product. 2,4-Dichlorophenoxyacetic Acid 30-60 galactosidase beta 1 Homo sapiens 123-141