Found 1 pathways with zero (PubMed) references
* [http://classic.wikipathways.org/instance/WP394_r73143](http://classic.wikipathways.org/instance/WP394_r73143) 'RNA interference and miRNA' in Caenorhabditis elegans has zero references;
More details at https://www.wikipathways.org/WikiPathwaysCurator/ReferencesTests/atLeastOneReference