”Knowledge of Cervical Cancer and Cervical Cancer Screening Methods Among Female Secondary School Students in Ibadan, Nigeria”, AJBR, vsk. 23, nro Special Edition 1, s. 99–103, heinä 2020, Viitattu: 5. huhtikuuta 2026. [Verkossa]. Saatavissa: https://ojshostng.com/index.php/ajbr/article/view/370