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Dose-response curves during cutaneous microdialysis perfusions of low dose endothelin-1 (ET-1) in lean (left) and obese (right) women with androgen excess polycystic ovary syndrome (AE-PCOS) and control subjects. Percent maximal cutaneous vasodilation (CVC %Max). Asterisk indicates difference from Control within lean BMI group. Data are presented as means ± SEM. From Usselman et al. [38], with permission
