1. Hohnloser JH, König A, Fischer M, Hertenstein B, Emmerich B. Building a Haematology-Cytology Database. Med Infor (in press) 1994.
2. Hohnloser JH, Pürner F. PADS — A Patient Archiving and Documentation System. Int J Clin Monit Comp 52: 11, 234–9, 1992.
3. International Classification of Diseases. Basic tabulation list with Alphabetical Index. Ninth revision ed 2 vols. Geneva: World Health Organization, 1978.
4. Koss LG. Cervical (Pap) Smear. New Directions. Cancer suppl 71: 4, 1406–12, 1993.
5. Coppleson LW et al. Observer Disagreement in the Classification and Histology of Hodgkin's Disease. J Nat Cancer Inst 45: 731–40, 1970.