Alcohol swabs and venepuncture.
D000433:1-Propanol / Q000097:blood*; D000328:Adult; D001815:Bloodletting; D004203:Disinfection; D000431:Ethanol / Q000097:blood*; D005189:False Positive Reactions; D006801:Humans; D013242:Sterilization
D000431:Ethanol; D000433:1-Propanol