PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1798393-4 1991 The clearance rate of Gd(DTPA) from blood allows repeated measurements of CBF to be made using this technique approximately every 30 min. Gadolinium 22-24 CCAAT/enhancer binding protein zeta Rattus norvegicus 74-77