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Abstract As the available diagnostic criteria (National Institute of Neurological and Communicative Disorders and Stroke, NINCDS) for Guillain-Barr syndrome (GBS) do not permit inclusion of clinical variants (CV) of GBS, there are few data on their occurrence and few reports of the overall incidence of the disease. A population-based study in the local health district of Ferrara, Italy in 19811993...
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