Prenatal Origin of Hemiparetic Cerebral Palsy:How Often and Why?
Pediatrics 88:1059-1062, Nelson,K.B., 1991
A Study of Twins and Stroke
Stroke 23:221-223, Brass,L.M.,et al, 1992
Twinning and Neurologic Morbisity
Am J Dis Child 146:1110-1113, Scheller,J.M.&Nelson,K.B., 1992