Among them 32% patients were anemic, 20% were polycythemic and 48% patients had normal hemoglobin.
Naser Ahmed, Rukhsana Parvin, Md Abul Kalam Azad 2014, 'Anemia in Patients with Chronic Obstructive Pulmonary Disease in a Tertiary Care Hospitalin Bangladesh', Journal of Enam Medical Collegehttp://www.banglajol.info/index.php/JEMC/article/view/20943. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)