Genetic Determinants of Insulin Action in Polycystic Ovary Syndrome - Haap, M; Machicao, F; Stefan, N; Thamer, C; Tschritter, O; Schnuck, F; Wallwiener, D; Stumvoll, M; Häring, H -U; Fritsche, A (Experimental and Clinical Endocrinology & Diabetes, 2005)