Plastic particulate contaminants in the medicine cups of disposable non-spinal regional anesthesia sets.
D000765:Anesthesia, Conduction / Q000295:instrumentation*; D000767:Anesthesia, Epidural / Q000295:instrumentation; D003428:Cross Infection / Q000517:prevention & control*; D004209:Disposable Equipment; D006801:Humans; D009407:Nerve Block / Q000295:instrumentation