Raynes, H R Joubert syndrome: monozygotic twins with discordant phenotypes. [electronic resource] - Journal of child neurology Oct 1999 - 649-54; discussion 669-72 discussio p. digital Publication Type: Journal Article ISSN: 0883-0738 Standard No.: 10.1177/088307389901401005 doi Subjects--Topical Terms: Cerebellum--abnormalitiesChildChild, PreschoolDevelopmental Disabilities--diagnosisDiseases in Twins--geneticsFemaleFetal Growth Retardation--diagnosisFollow-Up StudiesFourth Ventricle--abnormalitiesGenetic Predisposition to Disease--geneticsHumansInfantMagnetic Resonance ImagingNeurologic ExaminationPhenotypePregnancySpinocerebellar Ataxias--diagnosisSyndromeTwins, Monozygotic