Riddle: what do aplastic anemia, paroxysmal nocturnal hemoglobinuria (PNH) and "hypoplastic" leukemia have in common?
D000741:Anemia, Aplastic / Q000139:chemically induced / Q000151:congenital / Q000175:diagnosis*; D001853:Bone Marrow / Q000503:physiopathology; D003937:Diagnosis, Differential; D005198:Fanconi Syndrome; D005500:Follow-Up Studies; D006457:Hemoglobinuria, Paroxysmal / Q000175:diagnosis*; D006801:Humans; D007938:Leukemia / Q000175:diagnosis*; D011832:Radiation Injuries