Modulation of blood pressure by central melanocortinergic pathways - Greenfield, J R; Miller, J W; Keogh, J M; Henning, E; Satterwhite, J H; Cameron, G S; Astruc, B; Mayer, J P; Brage, S; See, T C; Lomas, D J; O’Rahilly, S; Farooqi, I S (N Engl J Med, 2009)