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Venn diagrams providing a graphical representation of VOCs from feces and urine detectable in the couples (centenarian and his/her offspring) or in the trios (centenarian, his/her offspring, and the spouse of the offspring). a Venn diagram illustrating the VOCs differentially expressed in feces from couples and trios. b Venn diagram illustrating the VOCs differentially expressed in urine from couples and trios
