Assertion: polycythemia's cause | /r/HasProperty | poor outcomes
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Source sentences:
text: The results indicated that patients in the phlebotomy-only arm had a better overall median survival, but they suffered from excess mortality within the first 4 years post randomization due to an increased frequency of thrombotic complications.11After PVSG-01 came the early termination of a follow-up study, PVSG-05, that evaluated phlebotomy plus aspirin (900 mg/day) and dipyridamole versus phlebotomy and 32P; the cause was excess gastrointestinal hemorrhage and poor outcomes in the aspirin/dipyridamole