title: Letters to the editor: Chelated bismuth as a stain in electron microscopy.
mesh_terms: D000818:Animals; D001135:Armadillos; D001729:Bismuth; D002467:Cell Nucleus / Q000648:ultrastructure; D002614:Chelating Agents; D002843:Chromatin / Q000032:analysis; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D005069:Evaluation Studies as Topic; D007687:Kidney Tubules, Proximal / Q000648:ultrastructure*; D007854:Lead; D008297:Male; D008854:Microscopy, Electron / Q000379:methods*; D051381:Rats; D012270:Ribosomes / Q000648:ultrastructure; D013194:Staining and Labeling; D014501:Uranium; D014649:Vas Deferens / Q000166:cytology / Q000648:ultrastructure*
chemical_list: D002614:Chelating Agents; D002843:Chromatin; D007854:Lead; D014501:Uranium; D001729:Bismuth