title: Nickel in acupuncture needles.
mesh_terms: D015670:Acupuncture Therapy / Q000295:instrumentation*; D002857:Chromium; D003877:Dermatitis, Contact / Q000209:etiology; D006801:Humans; D009339:Needles; D009532:Nickel
chemical_list: D002857:Chromium; D009532:Nickel