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October 18, 1890

ON THE UNITY OF DIPHTHERIA AND MEMBRANOUS CROUP.Read in the Section of Laryngology and Otology at the Forty-first Annual Meeting of the American Medical Association, Nashville, Tenn., May, 1890.

Author Affiliations


JAMA. 1890;XV(16):567-568. doi:10.1001/jama.1890.02410420011001c

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The discussion of this apparently trite and timeworn question would seem out of place at this meeting, were it not that, even at the present day, we are still unable to speak with certainty concerning it.

The failure to have secured a more definite conclusion regarding it is in no wise due to lack of care on the part of those who have investigated it. On the contrary, it has engaged the attention of a large number of earnest students; the subject has been studied collectively as well as by individuals, and, finally, the diseases in question are of such common occurrence that abundant material has always been forthcoming upon which deductions could be based. With all this accumulation of material and of effort it would seem strange that sufficient doubt should remain to warrant discussion.

We find, however, in studying the differential diagnosis between diphtheria and croup as commonly

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