title: A method for transmission and scanning electron microscopy of undecalcified human bone marrow biopsy specimens using cryofracture.
mesh_terms: D001706:Biopsy; D001853:Bone Marrow / Q000648:ultrastructure*; D001856:Bone Marrow Examination / Q000379:methods; D002118:Calcium; D005614:Freeze Fracturing; D006652:Histological Techniques; D006801:Humans; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning
chemical_list: D002118:Calcium