Cerebrovascular and Neurologic Disease Associated with Antiphospholipid Antibodies:48 Cases
Neurol 40:1181-1189, Levine,S.R.,et al, 1990
Cerebrovascular Ischemia Associated with Lupus Anticoagulant
Stroke 18:257-263, Levine,S.R.&Welch,K.M.A., 1987
Neurologic Manifestations of Progressive Systemic Sclerosis, 1972
Nebraska Med J 58:106, Aita,J.A., 1973