self before xrefs in delete_by_source
self before xrefs in delete_by_source

danstaines/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,at7/ensembl,muffato/ensembl,willmclaren/ensembl,danstaines/ensembl,at7/ensembl,muffato/ensembl,Ensembl/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,mjg17/ensembl,willmclaren/ensembl,mjg17/ensembl,at7/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,Ensembl/ensembl,muffato/ensembl,muffato/ensembl,james-monkeyshines/ensembl,at7/ensembl,Ensembl/ensembl