Catching-up with pentavalent vaccine: Exploring reasons behind lower rotavirus vaccine coverage in El Salvador()

por Suarez-Castaneda, Eduardo, Burnett, Eleanor, Elas, Miguel, Baltrons, Rafael, Pezzoli, Lorenzo, Flannery, Brendan, Kleinbaum, David, Oliveira, Lucia Helena de, Danovaro-Holliday, M. Carolina
Publicado 2015