Name Info Provider Link
free resource FlyBase http://flybase.org/cgi-bin/uniq.html?db=fbrf&field=pubmed_id&context=11831675
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0014-3820&date=2001&volume=55&issue=12&spage=2615
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/evolut/article-lookup/doi/10.1111/j.0014-3820.2001.tb00774.x