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Content: For treatment of benign 
    paroxysmal positional vertigo. Otolaryngol Head Neck Surg 1992 Sep;107(3):399-404. Hain TC: A model of the nystagmus induced by 
  off-vertical axis rotation Biological Cybernetics, 54:337-350, 1986. Hain TC, Zee DS, Maria B: Tilt-suppression 
    of the vestibulo-ocular reflex in patients with cerebellar lesions. Acta 
    Otolaryngology. ( Stockh), 105:13-20, 1988. This was largely a study of patients 
    with medulloblastomas, which is a tumor of the cerebellum which arises in 
    the cerebellar nodulus. These patients were different than normal subjects 
    in that they did not suppress their nystagmus when their head was tilted into 
    a pitched position.