WALLACE E. RADTKE, M.D., AND CO-AUTHORS
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To the editor: We were responsible for two errors that appeared in our article "Atrial Septal Defect: Echocardiographic Observations" (Ann Intern Med 84:246-252, 1976). In Table 2 on page 247, the normal values (given in parentheses) for right ventricular dimension index should have read 0.5-1.2. Reference 16 should have cited an earlier study by the same authors and should have read: Hagan AD, Deely WJ, Sahn D, et al: Echocardiographic criteria for normal newborn infants. Circulation 48:1221-1226, 1973.
RADTKE WE. Correction: "Atrial Septal Defect: Echocardiographic Observations". Ann Intern Med. ;84:501. doi: 10.7326/0003-4819-84-4-501
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Published: Ann Intern Med. 1976;84(4):501.
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