21. Assay in Man of the Chemical Fractions of Veratrum Viride, and Identification of the Pure Alkaloids Germitrine and Germidine as Potent Hypotensive Principles Derived from the Drug Publication: Williams & Wilkins, February 1950 Subject(s): HypertensionAntihypertensive AgentsVeratrum Archival Collection: The Edward D. Freis Papers (Profiles in Science)
22. Experimental and Clinical Evaluation in Man of Hexamethonium (C6), A New Ganglionic Blocking Agent Publication: American Heart Association, December 1950 Subject(s): HypertensionAntihypertensive AgentsGanglionic BlockersHexamethonium Archival Collection: The Edward D. Freis Papers (Profiles in Science)