types of anaemia and their causessevere aplastic anemia prognosisaplastic anemia prognosis in adultsmicrocytic hypochromic anaemia causessurvival rate of aplastic anemiaaplastic anemia medicationprognosis for hemolytic anemiaaplastic anemia defineaplastic anemia life expectancymyasthenia prognosisprognosis myelodysplastic syndromemyeloma treatment and prognosis