Assertion: polycythemia's headache | /r/HasProperty | common symptoms
Facets:
Source sentences:
text: Headaches, lack of concentration and fatigue are common symptoms that occur in patients with polycythemia vera as well.
text: Fatigue and headache were common, and syncopal attacks occurred in four patients.
text: Headache, dizziness, itchiness, redness of the skin, shortness of breath, difficulty breathing, numbness in the extremities, bloating in the abdomen and fatigue are common symptoms.