1. Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries;F Bray;CA: a cancer journal for clinicians,2018
2. Implementation strategies to improve cervical cancer prevention in sub-Saharan Africa: a systematic review;LG Johnson;Implementation science: IS,2018
3. Effective screening programmes for cervical cancer in low-and middle-income developing countries;R Sankaranarayanan;Bulletin of the World Health Organization,2001