Assertion: narcolepsy | /r/HasAspect | cataplexy
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Source sentences:
text: Blood test : A less common test looks at a genetic marker called the Narcolepsy-Associated Antigen, that is found in 90% to 95% of African American, Caucasian, and Japanese patients with narcolepsy who also have cataplexy (narcolepsy type 1), but only in 45% to 50% of patients with narcolepsy without cataplexy (narcolepsy type 2).