[contentcards url=”http://www.oncologynurseadvisor.com/leukemia/factors-associated-with-hearing-loss-in-pv-pinpointed/article/523647/” target=”_blank”] “Researchers found that the mean hemoglobin and hematocrit levels of the polycythemia vera group were 16.7 g/dL and 50.4%, respectively, vs 13.4 g/dL […]