Distinction of Idiopathic Parkinson's Dis from Multi-Syst Atrophy by Stim of Growth-Hormone Release w ClonidineLancet 349:1877-1881, Kimber,J.R.,et al, 1997
The Apomorphine Test in Parkinsonian SyndromesJNNP 54:870-872, D'Costa,D.F.,et al, 1991