| "A randomized trial of botulinum toxin A for treatment of drooling" | "Reduction of salivary flow with botulinum toxin: extended report on 33 patients with drooling, salivary fistulas, and sialadenitis"• Almeida, Cristiana, Isabel Almeida, and Carlos Vasconcelos |
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| "Treatment of Sialorrhea With GlycopyrrolateA Double-blind, Dose-Ranging Study"• "Quality of life in systemic sclerosis |
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