PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10048498-5 1998 Captopril-enhanced (CE) scintigraphy when positive indicates the activation of intrarenal renin-angiotensin system and may be useful in detecting patients with renal artery stenosis. Captopril 0-9 renin Homo sapiens 90-95