PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10379634-2 1999 METHODS: The beta-receptor blocking agent atenolol (50 mg), the calcium antagonist isradipine SRO (2.5 mg), the diuretic hydrochlorothiazide (25 mg) and the ACE inhibitor spirapril (6 mg) once daily were given in a double-blind crossover schedule for 8 weeks. spirapril 171-180 angiotensin I converting enzyme Homo sapiens 157-160