Cerebral Infarction in Young People, A Study of 148 Patients with Early Cerebral Angiography
JNNP 54:576-579, Lisovoski,F.&Rousseaux,P., 1991
Accelerated Intracranial Occlusive Disease, Oral Contraceptives, and Cigarette Use
Neurol 41:1893-1901, Levine,S.R.,et al, 1991