title: Clean vs. sterile.
authors: K
authors: K
authors: Garofalo
mesh_terms: D004203:Disinfection; D005932:Gloves, Surgical; D006801:Humans; D013242:Sterilization; D014546:Urinary Catheterization / Q000379:methods* / Q000451:nursing; D014552:Urinary Tract Infections / Q000517:prevention & control