Seasonal variations in the onset of puberty in rats.
D000311:Adrenal Glands / Q000502:physiology*; D000315:Adrenalectomy; D000818:Animals; D001835:Body Weight; D005260:Female; D010060:Ovulation; D051381:Rats; D012621:Seasons; D013997:Time Factors; D014621:Vagina