1. Human papillomavirus viral load on careHPV testing of self-collected vaginal samples vs. clinician-collected cervical samples
   S. Labani et al, 2014, European Journal of Obstetrics & Gynecology and Reproductive Biology CrossRef
2. Invasive cervical tumors with high and low HPV titer represent molecular subgroups with different disease etiology
   Tao Cui et al, 2019, Carcinogenesis CrossRef
3. Cytology versus HPV testing for cervical cancer screening in the general population
   George Koliopoulos et al, 2017, Cochrane Database of Systematic Reviews CrossRef