IRVING GREENFIELD, M.D., F.A.C.P.
When Blumgart and Weiss1 recorded their observations on the time required for radium to traverse a given portion of the circulatory circuit, an important advance was made in the study of the velocity of blood flow. Since then a large literature has grown indicating that other substances may be used to make similar observations. In the main, these agents lend themselves to division into two groups. In one group are those which give a subjective end-point. In order to determine the velocity of blood flow in this group, the observer must not only brief his patient adequately but must have
GREENFIELD I. SODIUM SUCCINATE1 AS A TEST OF CIRCULATORY EFFICIENCY2. Ann Intern Med. 1950;32:524–527. doi: 10.7326/0003-4819-32-3-524
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Published: Ann Intern Med. 1950;32(3):524-527.
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