Koeveringe, G.A. van

animal bladder obstruction ¯ ow rate pressure value bladder function urethral obstruction flash calcium urethral study solution measurement urodynamic guinea function electrode bladder pressure change model urethral resistance point pattern urine voiding guinea pigs ultrasound probe nitr 5 baseline control control /sham animals group increase 1.00 light figure 4 animal model baseline value 5 flashes curve contraction signi pqmax parameter obstruction group urodynamic patterns signi ®cance day 0 speci ®c sequence analysis range figure procedure resistance effect urethra sample guinea pig 11 weeks order ultrasound xenon photolysi pressure -¯ow studies stone ¯ ow-rate signal guinea pig model probe calibration factor strength time point signal data points speci buffer 75 nm 1.00 mm urethral valves response