Name	Info	Provider	Link
	free resource	FlyBase	http://flybase.org/cgi-bin/uniq.html?db=fbrf&field=pubmed_id&context=21771717
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21771717/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/21771717
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/mbe/article-lookup/doi/10.1093/molbev/msr184