Name	Info	Provider	Link
	free resource	Public Library of Science	https://dx.plos.org/10.1371/journal.pone.0021230
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21760889/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21760889
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:21760889
	free resource	Biospecimen Research Database	https://brd.nci.nih.gov/brd/paper/plos-one/2011/differences-between-human-plasma-and-serum-metabolite-profiles/12024