Some key features ... Small head size (microcephaly) "Greek helmet like" nose shape Wide spaced eyes (hypertelorism) Mental retardation Note that in some families the syndrome may be due to an inherited chromosomal abnormality.
(Mental retardation; Note; that in some families the syndrome may be due to an inherited chromosomal abnormality) Context(Mental retardation Note,List([117, 140))):(the syndrome; may be; due to an inherited chromosomal abnormality; L:in some families)
Mental retardation Note,List([117, 140))
Mental retardation the syndrome
Note may be
that in some families the syndrome may be due to an inherited chromosomal abnormality
due to an inherited chromosomal abnormality L:in some families