McCall,Bridget Parkinson`s : answers at your fingertips / Bridget McCall [and] Leslie J. Findley. - 4th ed. - London : Class Publishing, 2010. - xvi, 299 p. : ill. ; 20 cm. Includes index. ISBN: 9781859592229 (pbk.) Subjects--Topical Terms: Parkinson`s disease.Brain Disease.