Assertion: prostaglandin | /r/HasProperty | substance
Facets:
Source sentences:
text: In recent decades, science has shown that dysmenorrhea results from an imbalance in prostaglandins , which are substances produced throughout the body that control contraction and relaxation of smooth muscles (such as the uterus, the strongest muscle in the body) and many other functions.
text: In recent decades, science has shown that dysmenorrhea results from an imbalance in prostaglandins , which are substances produced throughout the body that control contraction and relaxation of smooth muscles (such as the uterus, the strongest muscle in the body) and many other functions.