Hemichorea resulting from a local lesion of the brain. (The syndrome of the body of Luys.) By James Purdon Martin, MD (London). Brain 1927: 50; 637-651; Hemichorea associated with a lesion of the corpus Luysii. By James Purdon Martin and N.S. Alcock. Brain 1934: 57; 504-516; and Hemichorea (hemiballismus) without lesions in the corpus Luysii. By J. Purdon Martin (From the National Hospital, Queen Square, W.C.1) Brain 1957: 80; 1-10.