The misuse of the patch test to determine "hypersensitivity" to mercury amalgam dental fillings.
D003723:Dental Amalgam / Q000009:adverse effects*; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis*; D008628:Mercury / Q000009:adverse effects*; D008630:Mercury Poisoning / Q000175:diagnosis*; D010328:Patch Tests; D012882:Skin Tests
D003723:Dental Amalgam; D008628:Mercury