title: Sigmoidoscopy and rectal biopsy--failure of infection control.
mesh_terms: D001707:Biopsy, Needle / Q000009:adverse effects; D003108:Colonic Diseases / Q000175:diagnosis*; D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D019723:Endoscopes / Q000382:microbiology; D004739:England; D004866:Equipment Contamination / Q000517:prevention & control*; D017408:Guidelines as Topic; D006801:Humans; D017053:Infection Control / Q000592:standards*; D007239:Infections / Q000209:etiology / Q000635:transmission; D012007:Rectum / Q000473:pathology; D018570:Risk Assessment; D012812:Sigmoidoscopy / Q000009:adverse effects*