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Figure 2 The epicardial coronary diameter in the stenotic segments (A), coronary diameter in the normal segments (B), coronary blood flow (C) and resistance (D) in response to bladder distention and nitroglycerin (NTG) are shown as relative changes from respective baseline values in patients without pretreatment (open circles) or in those pretreated doxazosin (solid circles). Data are expressed as the mean value ± SD. Probability values are for the significance of the two groups with respect to coronary dynamic data during bladder distention and response to nitroglycerin.
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