The editorial footnote in "Pernicious Anemia from Addision to Folic Acid," by Dr. Russell L. Haden, in the January Blood (3:-24, 1948) should have read: "Wilkinson and Israëls, Waldenström and others report that free hydrochloric acid occurs in approximately 1 case of 100." The term "achlorhydria" was used in error.

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