Implication of Dopaminergic Systems on GnRH and GnRHR Genes Expression in the Hypothalamus and GnRH-R Gene Expression in the Anterior Pituitary Gland of Anestrous Ewes - Ciechanowska, M; Łapot, M; Malewski, T; Mateusiak, K; Misztal, T; Przekop, F (Experimental and Clinical Endocrinology & Diabetes, 2008)