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As is true of morbidity in general, we know little of the incidence of Parkinsonism in Great Britain. but with the kind co-operation of a group of practitioners in the Leeds area it has been possible to gain an, approximate idea of it. Incidence of Parkinsonism in Leeds and District Population surveyed 485.903 Parkinsonism (all forms) .288 Approximate incidence .1 in 1.700 Approximate total in Great Britain .. ..
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H. G. Garland (1952) studied this question.
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