[20 years of cytodiagnosis of cervix carcinoma at the Univ.-Frauenklinik Freiburg/Br. (1954-1973). Voluntary quality control].

The development and efficiency of the cytological laboratory at the Freiburg University Hospital (Department of Obstetrics and Gynecology) are demonstrated. The number of examinations and detected cervical carcinomas are reported. The different groupes of cervical smears according to the Papanicolaou classification are discussed. High value is set on voluntary check-up (quality control) on all cytological laboratories efficiencies.