PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6327520-4 1984 However, hydralazine stimulated the renin-angiotensin system and elevated the plasma norepinephrine (NE) and epinephrine (E) levels, whereas MK-421 did not. Hydralazine 9-20 renin Rattus norvegicus 36-41