title: Multiple barrier system.
authors: R L
authors: RL
authors: Engelmeier
authors: O C
authors: OC
authors: Tebrock
authors: T G
authors: TG
authors: Mayfield
authors: H J
authors: HJ
authors: Adams
mesh_terms: D003140:Communicable Disease Control / Q000379:methods; D003428:Cross Infection / Q000517:prevention & control*; D003735:Dental Casting Technique; D003800:Dental Technicians; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D013242:Sterilization; D013499:Surface Properties