Cost-effectiveness analysis of introducing universal human papillomavirus vaccination of girls aged 11 years into the National Immunization Program in Brazil - Novaes, Hillegonda Maria Dutilh; Soárez, Patrícia Coelho de; Silva, Gulnar Azevedo; Ayres, Andreia; Itria, Alexander; Rama, Cristina Helena; Sartori, Ana Marli Christovam; Clarkf, Andrew D.; Resch, Stephen (Vaccine, 2015)