title: Investigations on seasonal rhythms and the effect of melatonin in the Alpine hare (Lepus timidus timidus L.).
mesh_terms: D000818:Animals; D001835:Body Weight; D002940:Circadian Rhythm; D006197:Hair; D008027:Light; D008297:Male; D008550:Melatonin / Q000494:pharmacology* / Q000502:physiology; D009929:Organ Size; D011817:Rabbits / Q000502:physiology*; D012621:Seasons; D013737:Testis / Q000033:anatomy & histology; D013997:Time Factors
chemical_list: D008550:Melatonin