Twinning and Neurologic Morbisity
Am J Dis Child 146:1110-1113, Scheller,J.M.&Nelson,K.B., 1992
Neurological Sequelae in Twins Born After Assisted Conception: Controlled National Cohort Study
BMJ 329:311-314, Pinborg,A.,et al, 2004
Prenatal Origin of Hemiparetic Cerebral Palsy:How Often and Why?
Pediatrics 88:1059-1062, Nelson,K.B., 1991
Twin Study of Parkinson Disease
Neurol 31:77-80, Duvoisin,R.C.,et al, 1981