Implementation of maternal influenza immunization in El Salvador: Experiences and lessons learned from a mixed-methods study
Jessica A. Fleming,
Rafael Baltrons,
Elizabeth Rowley,
Isabel Quintanilla,
Elner Crespin,
Alba-Maria Ropero,
Justin R. Ortiz,
Philipp Lambach,
Kathleen M. Neuzil,
Maria Stepanchak,
Vaccine · 2018 · 20 citations · 10 references