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on/off phenomenon

a periodic loss of the efficacy of levodopa in the treatment of Parkinson's disease, without obvious relationship to the timing of levodopa administration. Also called random off.

on

Vox populi adverb Taking, receiving, as in, he/she is on coumadin, on drugs, etc
References in periodicals archive ?
We heard horror stories about other vendors simply dropping off a switch and wishing you luck," said Paul Griswold, president and CEO, Ontario and Trumansburg Telephone Companies.
Every article you add or improve makes Northern Ontario stronger.
Ontario has a comparatively large number of organizations in the top revenue bracket compared to other regions combined, including many in Hospitals, Universities and Colleges (38 versus 33%).
Contact was made with the Northwestern Ontario Health Unit in Kenora, Ontario, to obtain records of confirmed cases of blastomycosis that may not have been sent to CPHL.
John Muggeridge is a retired history teacher from Welland, Ontario.
ii) The sudden reversal of the rate reductions will undermine investor confidence in the stability of Ontario's fiscal regime because business investments were made in Ontario during the past two years based on the short-lived promise of reduced tax rates.
As a company, we wanted to let the broader community know that we knew farmers in Ontario and all of Canada were responsible caretakers of the land and water under their stewardship.
The rate change will help convince more airlines to use Ontario, as per the request of Los Angeles Mayor James Hahn, board President Ted Stein said.
Finally, I would like to acknowledge the support and encouragement I received from Ostry, Sara Morton and Sharon Wilson at the OFDC, Helen Lovekin of the Ministry of Economic Development, Trade and Tourism and the filmmakers themselves--who willingly agreed to come together for our historic cover photo--for the realization of a very personal issue of Take One, an attempt to define Ontario cinema--past, present and future.
At least one Northern MPP in government wants Ottawa to pay its fair share for a modern Trans-Canada highway across Northern Ontario.
Spina Bifida and Hydrocephalus Association of Ontario.
On March 10, 2003, in an ugly "ambush" of Ontario's Education Minister, Elizabeth Witmer, members of the Ontario English Catholic Teachers Association (OECTA) jeered at the Minister as she attempted to answer questions in a closed-door session at the request of the teachers.