title: Observations on the osmium tetroxide-p-phenylenediamine staining method for Epon semithin sections of nervous tissue.
mesh_terms: D000818:Animals; D002025:Bufonidae; D009417:Nerve Tissue / Q000648:ultrastructure*; D009992:Osmium; D009993:Osmium Tetroxide; D010655:Phenylenediamines; D013116:Spinal Cord / Q000648:ultrastructure; D013194:Staining and Labeling
chemical_list: D010655:Phenylenediamines; D009992:Osmium; D009993:Osmium Tetroxide; C029728:4-phenylenediamine