Zhongqing Guo

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OBJECTIVES It has been suggested in some studies that head injury is a risk factor for AD, and that this risk is heightened among carriers of the APOE-epsilon4 allele. We examined the effects of head injury and APOE genotype on AD risk in a large family study. SUBJECTS A total of 2,233 probands who met criteria for probable or definite AD and their 14,668(More)
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