Erythrocyte replacement at metamorphosis in the frog, Rana pipiens.
D000818:Animals; D001001:Anura; D004912:Erythrocytes / Q000502:physiology*; D008675:Metamorphosis, Biological / Q000502:physiology*; D013974:Thyroxine / Q000494:pharmacology*
D013974:Thyroxine