Animal Reproduction Science · 1992 · 54 citations · 32 references
Veterinary MedicineAnimal SciencesEndocrinologyCircadian RhythmsReproductive PhysiologyCircadian EndocrinologySeasonal EndocrinologySeasonal PhysiologySeasonal ReproductionSheep PhysiologySheep ReproductionMelatonin TreatmentOvulation PhysiologySeasonal Estrus CyclesSeasonal Neuroendocrine ControlSeasonal Ovarian Function
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Evidence for the presence of enkephalins in the heart
R. Lang, K. Hermann, Rainer Dietz et al. · Life Sciences · 1983 · 150 citations