Fig. 2From: Alterations in bacterial communities, SCFA and biomarkers in an elderly HIV-positive and HIV-negative population in western MexicoIntestinal commensal bacterial assessment in HIV-positive and HIV-negative elderly subjects. Bacterial determinations were performed by calculation of the delta CT values between tested experimental gene and reference gene a) Bifidobacterium spp, b) Lactobacillus spp, c) Clostridium coccoides, and d) Clostridium leptum, results were expressed as mean ± SDBack to article page