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—Duncan E. Hutcheon, PhD, who also holds the MD degree, has written that in the communication titled "Therapeutic Efficacy of Diuretics with Different Durations of Action" (185:640-642 [Aug 24]), by Genevieve B. Leonard, RN, and him, the first term in the formula on page 640 should have read "S2M/M2."
Formula Term.. JAMA. 1963;186(2):115. doi:10.1001/jama.1963.03710020035008