Table 1: Breakdown of the research question into concepts and then keywords.

Environmental impacts and health risks of open landfills in PAOs

PICO

P =

I =

C =

O =

Population

Exposure factor

Comparison

Outcome

Concepts

 

Open dump

-

-

Environmental Impact, Health Risks

Keywords

 

Waste, disposal, facilities, Landfill, Dumpsite

-

-

Health Risk, Environmental, impact

Research results

PubMed

(((landfill [MeSH Terms]) OR (Waste disposal facilities [MeSH Terms])) OR (dumpsite)) AND ((health risk [MeSH Terms]) OR (environmental impact [MeSH Terms]) AND (West Africa [MeSH Terms]))

Google scholar

((landfill) OR (Waste disposal facilities) OR (dumpsite)) AND ((health risk) OR (environmental impact)) AND (West Africa)

Science Direct