Abstract

References
1.
Marquardsen
J
(1980 ) In: Clinical Neuroepidemiology . Ed.
Rose
Clifford F
. Pitman Medical , Tunbridge Wells ; p 105
2.
Osuntokun
B O
(1980 ) In: Clinical Neuroepidemiology . Ed.
Rose
Clifford F
. Pitman Medical , Tunbridge Wells ; p 57
3.
Rose
R C
ed (1980 ) Clinical Neuroepidemiology . Pitman Medical , Tunbridge Wells
4.
Schoenberg
B S
(1978 ) Advances of Neurology, vol 19: Neurological Epidemiology . Raven Press , New York
