PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
18538095-5	2008	METHODS: Plasma cystatin C was measured in 536 patients (age range 0.3-96 years, 262 females, 274 males), consecutively referred to our hospital for determination of GFR by iohexol clearance.	Iohexol	173-180	Rap guanine nucleotide exchange factor 5	Homo sapiens	166-169