权威例句
Comparison of sterile bag, clean catch and suprapubic aspiration in the diagnosis of urinary infection in early childhoodIs the clean-catch midstream void procedure necessary for obtaining urine culture specimens from men?Accuracy of clean-catch urine collection in infancy"Clean-catch"intra-labia urinary collection deviceBacterial contamination rates for non-clean-catch and clean-catch midstream urine collections in uncircumcised boys.Bacterial contamination rates for non-clean-catch and clean-catch midstream urine collections in boys.Does a Clean-Catch Urine Sample Reduce Bacterial Contamination?The myth of the clean catch urine specimen.Comparison of urine contamination rates using three different methods of collection: clean-catch, cotton wool pad and urine bag.Urine sampling in ambulatory women: Midstream clean-catch versus catheterization
