Parkinson's disease :  concepts and prospects, proceedings of a symposium held at the University of Groningen, January 28, 1977 / 
editors : J. P. W. F. Lakke, J. Korf, H. Wesseling. 
 - Amsterdam :  Excerpta Medica,  1977. 
 - 121 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0444900063 
<br/><br/><label>LCCN: </label>77-21879 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parkinsonism--Congresses.