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J H BLACK

Publications and source records attributed to J H BLACK.

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The diagnostic problem in asthma.

Differences in the types of asthma are due to differences in the cause of the condition. As determination of the type is important with regard to treatment and prognosis, "etiologic diagnosis" is a principal problem. Observers in various parts of the country may disagree sharply as to the relative incidence of one type and another, a disagreement which may be based on differences in the environments in which they make their observations. Reaching agreement on the interpretation of symptoms would be of great value. It must come from further careful, unbiased observation.

Asthma↗