PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20215390-3 2010 For comparison, the gold standard method (125)I-labelled iothalamate/(131)I-labelled hippuran [measured GFR (mGFR)] was used. Iodohippuric Acid 85-93 Rap guanine nucleotide exchange factor 5 Homo sapiens 104-107