The PDQUALIF has been successfully used in in many countries with positive results. Permission to use the instrument or its translations are available to academic researchers and pharmaceutical companies through this site. - RWS Life Sciences

RWS Life Sciences

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Parkinson Study Group

The Parkinson Study Group (PSG) is a non-profit group of physicians and other health care providers from medical centers in the United States, Canada and Puerto Rico experienced in the care of Parkinson patients and dedicated to clinical research of Parkinson disease.

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How do I obtain permission to use the PDQUALIF?
Mickie Welsh and the Parkinson Study Group are the copyright holders for the PDQUALIF. The instrument may not be reproduced or translated in whole or in part... read more»

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