forty inpatient men and women , between 50 and 80 years of age , with nocturia due to bladder instability , resorption of postural edema , or senile involution were admitted to a clinical trial designed to test the possibility of reducing or eliminating nocturnal voidings by means of a single evening dose of rociverine or flavoxate .
C0028734
nocturia
C0016225
flavoxate