The best replacement for polycythemia is polycythemia vera.

The best alternatives to polycythemia are rated as following:
★★★★★  polycythemia vera
★★★  erythrocytosis
★★  hemochromatosis
★  anemia
  secondary erythrocytosis
  cor pulmonale

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Speaking about polycythemia, one probably shouldn't forget about cyanosis.

Other search terms related to polycythemia and their ratings are:
★★★★★ cyanosis
★★★★ low iron
★★★★ macrocytosis
★★★★ microcytosis
You have in mind a companion for polycythemia and it is not yet here? Propose!



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polycythemia
polycythemia vera
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