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December 29, 1945


JAMA. 1945;129(18):1287. doi:10.1001/jama.1945.02860520055022

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To the Editor:—  For almost a year I have been doing Rh factor tests on obstetric patients. The last six months I have been doing them routinely. The Nebraska State Health Department began offering this service about a month ago without charge. In my opinion it is a very definite advance in obstetrics.Another great step forward will have been taken when all newborn babies, especially girls, have an Rh factor determination done at once as a part of the American newborn routine care. If the infant's test is Rh negative it should be rechecked in about three months because blood characteristics are not well developed in the first few days of life. I believe that a concerted effort ought to be put forth by the American Medical Association and other legitimate channels of propaganda, with the hope that the Rh factor determination will become a standard routine.Those acquainted

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