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A new peptide having gonadotropin-releasing activity distinct from the known luteinizing hormone-releasing hormones ( LHRHs ) has been identified in a chicken hypothalamic extract. The existence of(More)
Changes in the plasma concentration of oestradiol-17 beta, progesterone, luteinizing hormone (LH) and follicle stimulating hormone (FSH) were characterized during the transition from the luteal to(More)