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In this essay, Freis reviewed the progress made in the chemical treatment of hypertension--much of it by his group at the Veterans Administration--since the 1930s.
Periodical. Freis, Edward D. "The Changing Outlook in Essential Hypertension." Hypertensive Cardiovascular Disease 1, 1 ([1969]): 280-285. Article. 7 Images.. Hypertensive Cardiovascular Disease