title: Rethinking theories of transitions in the former Soviet Union.
abstract: (1) A series of six cases of ankylosing spondylitis was shown to illustrate the benefit gained, even in very long-standing cases, by the following regime:(a) Complete rest in a plaster shell.(b) Gradual correction of kyphosis by adding thin layers of padding under the dorsolumbar junction, and subtracting similar layers of padding from under the head, to increase extension in the spine.(c) Deep-breathing exercises practised constantly while the patient is lying in a plaster shell.(d) Daily physi
journal: Proceedings of the Royal Society of Medicine