PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9574457-1 1998 PAH (N-(4-aminobenzoyl)-glycin) clearance measurements have been used for 50 years in clinical research for the determination of renal plasma flow. n-(4-aminobenzoyl)-glycin 5-30 phenylalanine hydroxylase Homo sapiens 0-3