To the Editor:—
I wish to call your attention to the need for improving reports of reactions to tuberculin tests. The results of such tests are not infrequently reported by the following vague statements: "the tuberculin test was positive (or negative)," "the results of a tuberculin test were positive (or negative)," "the reaction to a tuberculin test was positive (or negative)." Such statements convey little or no information, and it is surprising that they are accepted by the publications of the American Medical Association.
There are many different tuberculins, and there are many different methods of applying tuberculin tests. It is obvious that mention should be made not only of the method employed but of the amount and form of tuberculin used and the time of observation of the reaction.
The most commonly employed tuberculin is old tuberculin (Koch), and the method of choice in this country, especially in cases
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