Differential recognition of the nervous form of spinal stiffness

The question of the independence and differential recognition of the nervous form of the stiffness of the spine belongs to relatively new questions of neuropathology; however, in spite of the novelty of the question, a rather extensive literature has already been created in Russia and abroad; there are no less than forty works specially devoted to him, new works appear, and such a keen interest on the part of neuropathologists undoubtedly indicates the importance of this issue for them.