1. Zur klinischen Fruch diagnose des Portiokarzinoms;Schiller;Gynaekol,1928
2. A clinical staining test for the in vivo delineation of dysplasia and carcinoma in situ;Richart;Am J Obstet Gynecol,1963
3. In vivo staining test for delineation of oral intra-epithelial neoplastic change. Preliminary report;Niebel;JAMA,1964
4. In vivo staining properties of oral cancer;Shedd;Am J Surg,1965
5. Further appraisal of in vivo staining properties of oral cancer;Shedd;Arch Surg,1967