Abnormalities of Eyelid Closure
In Walsh & Hoyt's Clinical Neuro-ophthalmology, Williams & Wilkins, Baltimore, 2:967, Miller,M.R., 1985
Differential Diagnosis of Guillain-Barre Synd, In Guillain-Barre Synd
Thieme Med Publ, Ch 3, p 42993., Parry,G.J., 1993