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In the paper by Yeomans et al. in The Journal, October 7, the authors request that the following correction be made in table 6 on page 354: The average age of the B group should be changed from 18 to 27.
Therapeutic Effect of Para-Aminobenzoic Acid in Louse Borne Typhus Fever. JAMA. 1944;126(9):581. doi:10.1001/jama.1944.02850440053018