Kristensen M., Melgaard B., 1977
Kristensen M., Melgaard B. Motor neuron disease. Prognosis and epidemiology Acta Neurol Scand. 1977. 56, 299-308.
Kristensen M., Melgaard B. Motor neuron disease. Prognosis and epidemiology Acta Neurol Scand. 1977. 56, 299-308.
