Frontiers | Prevalence of... www.frontiersin.org

Pneumonia epidemiology and... www.wikidoc.org

Healthcare | Free Full-Text... www.mdpi.com

Epidemiology and... www.e-cep.org

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Assembling a global... jogh.org

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Frontiers | Epidemiology... www.frontiersin.org

Assembling a global... jogh.org

Pneumonia epidemiology and... www.wikidoc.org

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Healthcare | Free Full-Text... www.mdpi.com

Frontiers | Changing Trends... www.frontiersin.org

PDF) Aetiology and... www.researchgate.net

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44158_2022_65_Fig2_HTML.png... janesthanalgcritcare.biomed...

Open resource of clinical... www.nature.com

Figure 2 from Assessing the... www.semanticscholar.org

The epidemiology of... www.sciencedirect.com