1. Results of Prolonged Treatment with Pentolinium Tartrate with Special Reference to the Addition of Rauwolfia, Hydralazine or Both Publication: American Heart Association, June 1956 Subject(s): HypertensionAntihypertensive AgentsRauwolfiaHydralazinePentolinium Tartrate Archival Collection: The Edward D. Freis Papers (Profiles in Science)