title: Ultrastructural investigations of a modified Bielschowsky silver impregnation technique for boutons.
mesh_terms: D000818:Animals; D006652:Histological Techniques; D008297:Male; D008526:Medulla Oblongata / Q000648:ultrastructure*; D008854:Microscopy, Electron; D008928:Mitochondria / Q000648:ultrastructure; D009454:Neurofibrils / Q000648:ultrastructure; D051381:Rats; D012835:Silver Nitrate; D013569:Synapses / Q000648:ultrastructure*; D013572:Synaptic Vesicles / Q000648:ultrastructure
chemical_list: D012835:Silver Nitrate