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  West African Journal of Radiology
 

Figure 2: Spectral waveform of the left cavernosal artery before intracavernosal injection of prostaglandin E1 demonstrating high resistance and dampened systolic flow with peak systolic velocity of 7.56 cm/s

Figure 2: Spectral waveform of the left cavernosal artery before intracavernosal injection of prostaglandin E<sub>1</sub> demonstrating high resistance and dampened systolic flow with peak systolic velocity of 7.56 cm/s