Bisphenol A may cause testosterone reduction by adversely affecting both testis and pituitary systems similar to estradiol - Nakamura, D; Yanagiba, Y; Duan, Z; Ito, Y; Okamura, A; Asaeda, N; Tagawa, Y; Li, C; Taya, K; Zhang, S-Y; Naito, H; Ramdhan, D H; Kamijima, M; Nakajima, T (Toxicol Lett, 2010)