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2. Relationship between the diagnosis of epithelial abnormalities and the composition of cervical smears;Vooijs;Acta Cytol,1985
3. De kwaliteit van de cervixuitstrijk;Linthorst;Ned Tijdschr Geneeskd,1978
4. Biometrically designed spatula for cervical scraping;Vooijs;Acta Cytol,1987
5. The influence of sample takers on the cellular composition of cervical smears;Vooijs;Acta Cytol,1986