title: Voice fatigue in myasthenia gravis: the sinking pitch sign.
authors.affiliation: Department of Neurology, Wake Forest University Bowman Gray School of Medicine, Winston Salem, NC 27157-1078, USA.
authors.forename: F O
authors.initials: FO
authors.lastname: Walker
mesh_terms: D004568:Electrodiagnosis; D005260:Female; D006801:Humans; D007821:Laryngeal Muscles / Q000503:physiopathology*; D008875:Middle Aged; D018763:Muscle Fatigue; D009157:Myasthenia Gravis / Q000175:diagnosis* / Q000503:physiopathology*; D014831:Voice