1. German academics tackle cervical cancer in Africa with SAP HANA. www.eticcs.org/german-academics-tackle-cervical-cancer-in-africa-with-sap-hana . 20 Nov 2015.
2. Segnan N. Socioeconomic status and cancer screening. In: Kogevinas M, Pearce N, Susser M, Boffetta P, editors. Social inequalities and cancer. Lyon: International Agency for Research on Cancer; 1997. p. 369–76.
3. Cervical cancer. www.paho.org/hq/index.php?option=com_topics&view=article&id=348&Itemid=40936&lang=en , 2012.
4. Cancer en cifras, www.infocancer.org.mx/globocan-2012-con776i0.html , 2012.
5. Diamantis, A, Androutsos G. Highlights from the history of hormonal cytology. Hormones Athens Grecia. 2002;7(2):184–6. ISSN 1109-3099 . PMID 18477558 .