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Ray W. Gifford, Jr., Aram Chobanian, Anne H. Bartlett, Edward H. Kass, A. L. Cochrane, Robert M. Kark, William E. Miall, David L. Sackett, John Cassel, Walter W. Holland, Edward B. Gilmore, Lawrence R. Freedman, L. Sabath, Paul Levy, Joan Casey, Edward D. Freis, Stephen H. Zinner, Jan Howard, Robert A. Vigersky, Philip Dern, Herbert Benson, Gordon T. Stewart, Robert L. Vernier, Harriet L. Hardy, John F. Finklea, Richard N. Podell, , Evaluation of the Hypertensive Patient with Emphasis on Detecting Curable Causes, The Milbank Memorial Fund Quarterly, Vol. 47, No. 3, Part 2: Preventive Approaches to Chronic Diseases. Proceedings of a Conference on Chronic Diseases. Held in Boston, Massachusetts June 4-6, 1969 (Jul., 1969), pp. 170-212
Gifford et al. (Tue,) studied this question.