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February 4, 1961

Congenital Lesions of the Hip

Author Affiliations

Mayo Clinic Rochester, Minn.

JAMA. 1961;175(5):415. doi:10.1001/jama.1961.03040050071030

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To the Editor:—  We are puzzled by the statement made by Dr. F. K. Alexander in his recent letter to the editor (JAMA173:1617, Aug. 6, 1960) in reference to our paper on congenital disease of the hip (JAMA173:229-233, May 21, 1960). He said that he could "see little need to subject 11,010 infants to repeated examinations and increase the unnecessary gonadal dose from the medical use of x-rays." We wonder how he got the impression that we had subjected this number of children to roentgenographic examination. We believe that our paper clearly states that the "examinations" were physical examinations including use of the abduction test, and that only those infants who gave a positive result with this test were subjected to roentgenographic examination for diagnosis; this point is first made in the second sentence of the paper. Less than 70 of the 11,010 infants had limitation

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