Name	Info	Provider	Link
Free full text from BORIS	free resource	Bern Open Repository and Information System	https://boris.unibe.ch/id/eprint/150615
Cancer in Children	free resource	MedlinePlus Health Information	https://medlineplus.gov/cancerinchildren.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33337539/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33337539
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/14651858.CD008500.pub5
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:33337539