The aging of Xenopus laevis, a South African frog.
D000375:Aging / Q000502:physiology*; D000818:Animals; D001001:Anura / Q000502:physiology*; D044383:Black People; D006801:Humans; D011898:Ranidae; D014982:Xenopus laevis
AGING/physiology; FROGS/physiology