Activation of GPER-1 Estradiol Receptor Downregulates Production of Testosterone in Isolated Rat Leydig Cells and Adult Human Testis - Vaucher, L; Funaro, M G; Mehta, A; Mielnik, A; Bolyakov, A; Prossnitz, E R; Schlegel, P N; Paduch, D A (PLoS ONE, 2014)