The endocrine activities of 8-prenylnaringenin and related hop (Humulus lupulus L.) flavonoids - Milligan, S R; Kalita, J C; Pocock, V; Van De Kauter, V; Stevens, J F; Deinzer, M L; Rong, H; De Keukeleire, D (J Clin Endocr Metab, 2000)