Assertion: muscular atrophy | /r/HasProperty | characterized by muscle weakness
Facets:
Source sentences:
text: Spinal muscular atrophy is characterized by muscle weakness and muscle atrophy.
text: Spinal muscular atrophy type 2 (also called Dubowitz disease) is an intermediate form of spinal muscular atrophy that is characterized by muscle weakness that develops in children between ages 6 and 12 months.