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I O'Brien

Publications and source records attributed to I O'Brien.

3 recordsLinked to original sources

Blood histamine levels after exercise testing.

Histamine has been measured in whole blood and in the plasma of twenty-three subjects following exercise testing of seventeen asthmatics and six normal controls. Whole blood histamine rose in both asthmatics and controls and was associated with a concomitant rise in the basophil count. Plasma histamine in the peripheral venous blood only rose in one patient who developed urticaria after exercise.

Asthma