The faucet aerator - a source of pseudomonas infection.
D001916:Brachial Artery; D006328:Cardiac Catheterization / Q000009:adverse effects*; D006801:Humans; D011552:Pseudomonas Infections; D018805:Sepsis / Q000209:etiology*; D013242:Sterilization; D014946:Wound Infection / Q000209:etiology*