Withdrawal Syndrome after the Double-Blind Cessation of Caffeine Cunsumption
NEJM 327:1109-1114, 11601992., Silverman,R.,et al, 1992
Frontal Lobe Degeneration:Clinical, Neuropsychologicaland SPECT Characteristics
Neurol 41:1374-1382, Miller,B.L.,et al, 1991