00309nam a22001217a 4500020001800000082001600018100002100034245004600055250001100101260005100112300001000163654001400173  a9788188689682  a616.81bHAU  aHuser, Robert A.  aParkinson's Disease Questions and Answers  a5th ed  aEnglandbMerit Publishing International c2006  a280p.  aNeurology