PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3794328-5 1986 Ganglionic blockade with hexamethonium and atropine produced equivalent decreases in arterial pressure and increases in plasma vasopressin concentration in the two groups of rats. Hexamethonium 25-38 arginine vasopressin Rattus norvegicus 127-138