Prader-Willi and Angelman SyndromesMedicine 77:140-151, Cassidy,S.B.&Schwartz,S., 1998
Oculomotor Consequences of Intraventricular Hemorrhages in Premature InfantsArch Ophthalmol 105:533-535, Tamura,E.E.&Hoyt,C.S., 1987