Assertion: syndrome's feature | /r/HasProperty | small head size
Facets:
value: unusually
type: DEGREE
Source sentences:
text: Features vary from case to case, and may include an unusually small head size (), a specific pattern of brain development (including partial or complete agenesis of the corpus callosum , reduced folds on the surface of the brain, and reduced white matter), abnormal or involuntary movements , feeding problems, sleep disturbances,, irritability and excessive crying, and limited communication and social skills.