Low coverage of HPV vaccination in the national immunization programme in Brazil: Parental vaccine refusal or barriers in health-service based vaccine delivery?

by William Mendes Lobão, Fernanda Gross Duarte, Jordan Danielle Burns, Carlos Antonio de Souza Teles Santos, Maria Conceição Chagas de Almeida, Arthur Reingold, Edson Duarte Moreira
Published 2018-01-01