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Correction is made of an error in the description of Kinney's Yeast Extract (Vitamin B Complex) Tablets, 5 grains, appearing in The Journal, June 14, page 2683. In the published description it is stated that "Each tablet contains not more than 50 international units of thiamine hydrochloride." This should read "Each tablet contains not less than 50 U. S. P. units of thiamine hydrochloride."
Kinney's Yeast Extract. JAMA. 1941;116(26):2878. doi:10.1001/jama.1941.02820260052016