Assertion: morphine's effect | /r/HasProperty | permanent
Facets:
Source sentences:
text: It is not known whether opioid effects on fertility are permanent.
text: It is not known whether opioid effects on fertility are permanent.
text: It is not known whether opioid effects on fertility are permanent.
text: It is not known whether opioid effects on fertility are permanent.
text: It is unclear if the effect of morphine on fertility is permanent or not.
text: It is not known whether opioid effects on fertility are permanent.