Towards a history of patch testing.
Burry
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D003880:Dermatology / Q000266:history; D004782:Environmental Health; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010328:Patch Tests / Q000266:history* / Q000639:trends; D012871:Skin Diseases / Q000266:history