Pneumococcal pneumonia and carriage in Africa before and after introduction of pneumococcal conjugate vaccines, 2000–2019: protocol for systematic review

מאת Kalata, Newton L., Nyazika, Tinashe K., Swarthout, Todd D., Everett, Dean, French, Neil, Heyderman, Robert S., Gordon, Stephen B., Jambo, Kondwani C.
הוצא לאור ב BMJ Open (2019)