PT  - JOURNAL ARTICLE
AU  - C D Marsden
TI  - Parkinson's disease in twins.
AID  - 10.1136/jnnp.50.1.105
DP  - 1987 Jan 01
TA  - Journal of Neurology, Neurosurgery & Psychiatry
PG  - 105--106
VI  - 50
IP  - 1
4099  - http://jnnp.bmj.com/content/50/1/105.short
4100  - http://jnnp.bmj.com/content/50/1/105.full
SO  - J Neurol Neurosurg Psychiatry1987 Jan 01; 50