Key elements for improving supplementary inmunization activities for polio eradication.
Citazione stile Chigago Style (17a edizione)Key Elements for Improving Supplementary Inmunization Activities for Polio Eradication.
Citatione MLA (9a ed.)Key Elements for Improving Supplementary Inmunization Activities for Polio Eradication.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.