Causes of severe pneumonia requiring hospital admission in children without HIV infection from Africa and Asia: the PERCH multi-country case-control study.
Lancet. 2019 Aug 31;394(10200):757-779. doi: 10.1016/S0140-6736(19)30721-4. Epub 2019 Jun 27.
Lancet. 2019.
PMID: 31257127
Free PMC article.