A 44-Year-Old Woman with Difficulty Walking
JAMA 284:2632-2639, Iezzoni,L.I., 2000
Clinical Features and Associations of 560 Cases of Motor Neuron Disease
JNNP 53:1043-1045, Li,T.,et al, 1990
Neuromuscular Disease in Primary Hyperparathyroidism
Ann Int Med 80:182, Patten,B.M.,et al, 1974