Baum, M J Plasma and pineal melatonin levels in female ferrets housed under long or short photoperiods. [electronic resource] - Biology of reproduction Feb 1986 - 96-100 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0006-3363 Standard No.: 10.1095/biolreprod34.1.96 doi Subjects--Topical Terms: AnimalsCarnivora--metabolismDarknessFemaleFerrets--metabolismHysterectomyLightMelatonin--bloodOvariectomyPineal Gland--metabolismPregnancyRadioimmunoassay