References
- Bensley R. R., Bensley S. H. Handbook of Histological and Cytological Technique. University of Chicago Press, Chicago 1945; 113–4
- Trubey R. H., Christman J. F. Chromatography and biological stains. II. Column chromatographic separation of the pigmented materials in commercial Sudan III. Stain Techn. 1952; 27: 87–92