Assertion: hemophilia's factor | /r/HasProperty | level
Facets:
Source sentences:
text: In hemophilia B there is a low factor IX level and the prothrombin time is usually prolonged. .
text: In hemophilia B there is a low factor IX level and the prothrombin time is usually prolonged.
text: In hemophilia B there is a low factor IX level and the prothrombin time is usually prolonged. .
text: In hemophilia B there is a low factor IX level and the prothrombin time is usually prolonged.