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Journal Article Changes in the Parkinsonian Syndrome in the Twentieth Century Get access Helen Dimsdale Helen Dimsdale Maida Vale Hospital for Nervous Diseases Search for other works by this author on: Oxford Academic PubMed Google Scholar QJM: An International Journal of Medicine, Volume 15, Issue 59, July 1946, Pages 155–170, https://doi.org/10.1093/qjmed/15.59.155 Published: 01 July 1946 Article history Received: 01 January 1946 Published: 01 July 1946
H. Dimsdale (Mon,) studied this question.