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To the Editor.—Thank you for your letter of June 6, 1969, concerning a point raised by Dr. Carolyn Denning. Although cystic fibrosis should have been a diagnostic consideration at the time the child was treated in early infancy, her subsequent course makes this diagnosis most unlikely.
Her prompt response to parenterally administered vitamin K and the absence of recurrence on a normal infant diet containing adequate amounts of vitamin K certainly do not suggest chronic disease.
This patient has been well for two years since her illness. She has had no respiratory or gastrointestinal complaints.
Although a sweat test could easily be done, I do not feel that it is indicated at the present time.
MOSS MH. HYPOPROTHROMBINEMIC BLEEDING IN AN INFANT-Reply. Am J Dis Child. 1969;118(4):669. doi:10.1001/archpedi.1969.02100040671030
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