from phenotype Aplastic Crisis deprecated Aplastic Crises true http://www.ihtc.org/medical-professionals/blood-disorders/sickle-cell-disease/aplastic-crisis-intervention/ 'The aplastic crisis is temporary cessation of red cell production. This usually affect sickle cell patients, because of the markedly shortened red cell survival time in patients with sickle cell disease, a precipitous drop in hemoglobin occurs in the absence of adequate reticulocytosis. [Curator team: []]'