Mastrigt, R. van

bladder pressure measurement volume muscle force parameter value patient length study urethral contraction flow rate voiding model method detrusor function mastrigt resistance urethra obstruction table strip result signal bladder pressure activity difference urodynamic nerve number stimulation condom group curve fl ow rate catheter urine contractility bladder volume change property velocity van mastrigt £ ow rate urethral resistance isometric relation figure increase van mastrigt r response detrusor pressure strain series outlet bladder outlet obstruction prostate correlation volunteer bladder contractility signi phase factor sample analysis isovolumetric muscle cells isovolumetric bladder pressure bladder outlet resistance point isometric force effect frequency noise animal prostate volume nerve activity