Assertion: collagen's type | /r/HasProperty | sleep disturbances
Facets:
Source sentences:
text: For example, type II collagen reported side effects include stomach problems, head ache, dizziness, sleep disturbances and hepatic (liver) dysfunction.
text: For example, type II collagen reported side effects include stomach problems, headache, dizziness, sleep disturbances and hepatic (liver) dysfunction.