Archives of otolaryngology--head & neck surgery
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Arch. Otolaryngol. Head Neck Surg. · Nov 2012
Comparative Study Controlled Clinical TrialIntranasal theophylline treatment of hyposmia and hypogeusia: a pilot study.
To determine whether intranasal theophylline methylpropyl paraben can correct hyposmia and hypogeusia. ⋯ Intranasal theophylline treatment is safer and more effective in improving hyposmia and hypogeusia than oral theophylline anhydrous treatment.