8Leventhal R,Orkin FK,Hirsch RA,et al.Prediction of the need for postoperative mechanical ventilation in myasthenia gravis. Anesthesiology . 1980
9Patrizio G,Alessandro S,Giampiero M,et al.Comparative effect of plasma exchange and pyridostigmine on respiratory muscle strength and breathing pattern in patients with myasthenia gravis. Thorax . 1995
10James BE,Angelos EP,Cynthia HK,et al.Predicting the need for Postoperative mechanical ventilation in MG. Anesthesiology . 1986
5Freeborne N, Lynn J, Desbiens NA. Insights about dying from the SUPPORT project. The Study to Understand Prognoses and Preferences for Outcomes and Risks of Treatments. J Am Geriatr Soc,2000,48 (5 Suppl) : S199-$205.