Assertion: cyanosis's cause | /r/HasProperty | ascertained
Facets:
Source sentences:
text: In cases of central cyanosis, a reduced supply of oxygen is to be assumed until it can be disproved and supplemental oxygen is to be provided until the actual cause can be ascertained.
text: In cases of central cyanosis, a reduced supply of oxygen is to be assumed until it can be disproved and supplemental oxygen is to be provided until the actual cause can be ascertained.