[Correlations between variations in hepatic and cutaneous melanin and seasonal variations].
D000818:Animals; D001001:Anura; D008099:Liver / Q000032:analysis; D008543:Melanins / Q000502:physiology*; D011893:Rana esculenta; D012621:Seasons; D012867:Skin / Q000032:analysis
D008543:Melanins
Correlazione fra variazioni di melanine epatiche e cutanee e variazioni stagionali.