Fig. 4. Flow cytometric platelet aggregation assay of a patient with Glanzmann thrombasthenia (GT). Dot plots showing platelets in unstimulated (t=0 min) and agonist-stimulated state (t=10 min) in a GT patient. The % double-colored events in this patient in unstimulated t=0 min and ADP-, collagen-, and ristocetin-stimulated platelet mix at t=10 min are 0.6% and 0.7%, and 14.3% and 29.9% respectively.

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