Sex steroids in the lungfish (Protopterus annectens Owen).
D000818:Animals; D004967:Estrogens / Q000502:physiology*; D005399:Fishes / Q000502:physiology*; D011374:Progesterone / Q000502:physiology*; D013256:Steroids
D004967:Estrogens; D013256:Steroids; D011374:Progesterone
ESTROGENS/physiology; FISH/physiology; PROGESTERONE/physiology