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Start Over Collections Images from the History of Medicine (IHM) ✖Remove constraint Collections: Images from the History of Medicine (IHM) Subjects Toothbrushing -- methods ✖Remove constraint Subjects: Toothbrushing -- methods Subjects Toothpastes ✖Remove constraint Subjects: Toothpastes Copyright Copyright may apply ✖Remove constraint Copyright: Copyright may apply

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  • Images from the History of Medicine (IHM)1