Sierra MS, Tsang SH, Hu S, Porras C, et al. Risk Factors for NON-HPV16/18 Cervical Infections and Associated Lesions Among HPV-DNA-Negative Women Vaccinated Against HPV16/18 in the Costa Rica Vaccine Trial (CVT). J Infect Dis 2020 Dec 16. pii: 6039229. doi: 10.1093.
PMID: 33326576