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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Arsenicals -- therapeutic use Remove constraint Subjects: Arsenicals -- therapeutic use Titles Realgar-arsenic di-sulphide: some notes on the use of realgar-arsenic di-sulphide (As² S²) in the treatment of skin diseases Remove constraint Titles: Realgar-arsenic di-sulphide: some notes on the use of realgar-arsenic di-sulphide (As² S²) in the treatment of skin diseases

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