Irregular Breathing
In Internal Medicine, Little, Brown & Co, Boston, 3rd Ed, p. 573-574, Cherniack,N.S., 1990
Respiratory Complications and Their Management in Motor Neuron Disease
Brain 112:1155-1170, Howard,R.S.,et al, 1989
Management of Hypoventilation in Motor Neuron Disease Presenting with Respiratory Insufficiency
Ann Neurol 7:188-191, Sivak,E.D.,et al, 1980