Assertion: platelet | /r/CapableOf | synthesize serotonin
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Source sentences:
text: Since platelets are unable to synthesize serotonin, these medications lower the intracellular serotonin concentration, inhibit platelet aggregation and increase the risk of abnormal bleeding including menorrhagia, metorrhagia, upper GI hemorrhage, cerebral hemorrhage, hematuria, hemoptysis, hemarthrosis, and post-op bleeding.