A Five-Hour Variant of Gomori's Methenamine Silver method for Argentaffin Cells

Abstract
Gomori''s methenamine Ag method for argentaffin cells has been modi-fied and considerably accelerated by almost doubling the Ag concn. and raising the incubation temp. to 60[degree]C. Argentaffin cells are selectively impregnated in 3-4 hrs. and the background remains relatively clear up to 4 hrs. The contrasts are clearer than with the ammoniacal Ag methods of Masson and of Gluckmann.

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