title: [Bone marrow biopsy in the study of acquired refractory anemias].
mesh_terms: D000753:Anemia, Refractory / Q000473:pathology*; D001706:Biopsy; D001853:Bone Marrow / Q000473:pathology*; D006801:Humans; D011446:Prospective Studies
vernacular_title: La biopsia medular en el estudio de las anemias refractarias adquiridas.