_:n5507d0ac45f84980b6cce9bb7339147fxb21
<http://schema.org/url>
<https://www.springernature.com/app-sn/public/images/logo-springernature.png>
<https://systematicreviewsjournal.biomedcentral.com/articles/10.1186/2046-4053-2-37>