Title: An electron-microscopic study of zinc iodide-osmium impregnation of neurons. I. Staining of synaptic vesicles at cholinergic junctions Akert K, Sandri C Ref: Brain Research, 7:286, 1968 : PubMed
Akert K, Sandri C (1968) An electron-microscopic study of zinc iodide-osmium impregnation of neurons. I. Staining of synaptic vesicles at cholinergic junctions Brain Research7: 286-95