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a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier
close interaction
hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance