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Figure 1 Effects of urocortin (Ucn) on developed pressure (DP) and diastolic pressure (dP) during ischemia/reperfusion (I/R) in the isolated rat heart. Developed pressure and dP in control heart exposed to I/R are shown in a; changes in DP and dP induced by Ucn given before I, before and after R, and over R alone are reported in b, c and d, respectively. Solid triangle = DP; open square = dP.