User:Optimisticecologist/sandbox

Bibliography

https://www.nature.com/articles/srep43695

https://journals.sagepub.com/doi/10.1177/0309133307076488

https://www.thelancet.com/journals/lanplh/article/PIIS2542-5196(19)30113-5/fulltext

https://iopscience.iop.org/article/10.1088/1748-9326/ab5ff7