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  Indian J Med Microbiol
 

Figure 5: Urethral resistance is given by the modified Hill Equation: R = P/Q2. Each of these curves represents different values of detrusor Pressure and flow at a constant urethral resistance. The point of Pdet Qmax of a voiding cycle, when plotted on this chart, shall precisely determine the value of urethral resistance

Figure 5: Urethral resistance is given by the modified Hill Equation: R = P/Q<sup>2</sup>. Each of these curves represents different values of detrusor Pressure and flow at a constant urethral resistance. The point of Pdet Q<sub>max</sub> of a voiding cycle, when plotted on this chart, shall precisely determine the value of urethral resistance