Used in Pinkerton's Method for Rickettsia, For inclusion body stain. Aee Simmons, J.S. and Gentzkow, C.J., Laboratory Methods of the United States Army 5th Ed., Lee & Febiger, Philadelphia, p. 572, 1944 or Luna, L.G., (ed) Manual of Histologic Staining Methods or the AFIP, 3rd Ed., McGraw-Hill, N.Y., . 237, c 1968