the infection rates among various groups were compared : 1 ) control patients , 2 ) patients treated with intravesical neomycin/polymyxin-b , 3 ) patients given low dose daily macrocrystals of nitrofurantoin and 4 ) patients given intravesical treatment and oral nitrofurantoin .
C0770666
macrocrystals
C0028156
nitrofurantoin