Frequency of apolipoprotein E4 among older compared with younger HIV patients: support for detrimental effect of E4 on survival.
Valcour V, Shiramizu B, Shikuma C. Frequency of apolipoprotein E4 among older compared with younger HIV patients: support for detrimental effect of E4 on survival. Proc Natl Acad Sci U S A. 2008 Oct 14; 105(41):E66; author reply E67-8.