title: Persistent bitter taste as an initial symptom of amyotrophic lateral sclerosis.
authors.forename: G C
authors.initials: GC
authors.lastname: Petzold
authors.forename: K M
authors.initials: KM
authors.lastname: Einhäupl
authors.forename: J M
authors.initials: JM
authors.lastname: Valdueza
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000150:complications* / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013651:Taste Disorders / Q000175:diagnosis* / Q000209:etiology*