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Merck
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  • Use of a nonnarcotic antitussive for severe, treatment-resistant oral ulcers.

Use of a nonnarcotic antitussive for severe, treatment-resistant oral ulcers.

Journal of the American Academy of Dermatology (2015-05-20)
Melissa Danesh, Jenny E Murase
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Sigma-Aldrich
Benzonatate, ≥98% (HPLC)