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Shortly after his move to the Veterans Administration Hospital and Georgetown University in Washington, DC, Freis and several colleagues tested theories about the hemodynamic effects of antihypertensive drugs, to better explain the drugs' actions.
Periodical. Freis, Edward D., Joseph R. Stanton, Frank A. Finnerty Jr, Harold W. Schnaper, Robert L. Johnson, Charles E. Rath, and Robert W. Wilkins. "The Collapse Produced by Venous Congestion of the Extremities or by Venesection Following Certain Hypotensive Agents." The Journal of Clinical Investigation 30, (1951): 435-444. Article. 10 Images.. The Journal of Clinical Investigation