title: Safety margins in establishing challenges to cleaning processes are still a good idea.
authors.forename: Matt
authors.initials: M
authors.lastname: Tiltman
authors.forename: Alex
authors.initials: A
authors.lastname: Sava
mesh_terms: D003666:Decontamination / Q000379:methods*; D004203:Disinfection / Q000379:methods*; D020776:Endoscopes, Gastrointestinal; D004866:Equipment Contamination; D017743:Equipment Reuse; D005069:Evaluation Studies as Topic; D006801:Humans; D013171:Spores, Bacterial