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To the Editor:
—I am submitting a table of blood chemistry values which I have found practical and easy to remember:If the figures are read from the bottom up they are: 1, 2, 3, 4; 10, 20, 30, 40. One needs only to bear in mind that the upper figures are high normals and even the slightest increase above the upper figure indicates pathologic change.This was first suggested to me by some one in my graduating class (University of Colorado, 1927).This may be of value to those who cannot recall blood chemistry normals at random.
Love J. BLOOD CHEMISTRY VALUES. JAMA. 1931;96(11):884. doi:10.1001/jama.1931.02720370062030
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